
Kregg in Call of Dragons is an Epic Wilderburg hero who combines Physical area damage, Marksman bonuses, Flying-unit synergy, battlefield mobility, and Engineering utility. He is especially valuable during early progression because his Epic rarity makes him easier to develop than a Legendary hero.
Kregg is not a traditional siege commander who increases damage against cities or towers. His Engineering specialization helps a Legion construct and destroy field buildings more efficiently, while his combat build focuses on Marksman damage and Mobility.
This guide explains Kregg’s current skills, best skill order, talent priorities, troop setup, pairings, Artifacts, War Pets, Engineering use, and long-term investment value.
Kregg at a Glance
| Title | Mad Bomber |
| Rarity | Epic |
| Race and Faction | Goblin, Wilderburg |
| Talent Categories | Marksman, Engineering, and Mobility |
| Damage Type | Physical Hero Skill damage |
| Recommended Units | Full Marksman Legion, preferably full Flying Marksmen |
| Best Early Pairing | Gwanwyn and Kregg |
| Best Combat Talent Direction | Marksman first, Mobility second |
| Best General Roles | Early-game AoE, Flying Marksman deputy, and field-building Engineering |
Is Kregg Good in Call of Dragons?
Kregg is a good early- and mid-game Epic hero, particularly for players who need an affordable Marksman deputy or a dedicated Engineering commander. His Rage Skill can damage three enemy Legions, and his awakening adds a Bleed effect that becomes valuable when enemies are grouped together.
His usefulness changes as an account develops. New players can obtain meaningful value from him without spending scarce Legendary resources, but mature accounts will usually replace him in their strongest combat formation with newer Legendary Marksman heroes.
Kregg can still retain a long-term role because his Engineering tree and Building Frenzy passive give him strategic utility even after he leaves your main PvP march.
| Main Strengths | Important Limitations |
|---|---|
| Damages a main target and up to two nearby Legions | Lower late-game damage ceiling than modern Legendary heroes |
| Easy to develop with Epic resources | No built-in healing or shield |
| Increases Hero Skill damage | Building Frenzy provides no direct combat bonus |
| Rewards an all-Flying troop composition | Loses part of Aerial Formation with ground units |
| Useful Engineering and Mobility talent combination | Needs a separate build for combat and Engineering |
Kregg Skills Explained
Kregg’s skill set has two distinct purposes. His first three skills improve combat performance, while his fourth skill is dedicated to Engineering. Understanding this distinction prevents you from investing in a build that tries to perform both jobs at once.
| Skill | Type | Maximum Effect | Purpose |
|---|---|---|---|
| Fragmentation Bolt | Rage Skill | Deals Physical Skill damage with a Damage Factor of 600 to the target and 300 to as many as two nearby Legions. | Early multi-target damage |
| Wyvern Rider | Passive | Increases Hero Skill damage by up to 10% and grants up to 20% March Speed for 10 seconds after battle ends. | Skill damage and disengagement |
| Aerial Formation | Passive | Increases Legion ATK by up to 10%. A Legion composed entirely of Flying units also gains up to 10% DEF. | General offense and Flying durability |
| Building Frenzy | Passive | Increases Engineering by up to 20% while building or destroying field buildings. | Barricades and Alliance structures |
| Biggus Bombus | Awakening | Raises main-target damage to 800, retains 300 damage against as many as two nearby targets, and inflicts Bleed for three seconds at a Damage Factor of 200 per second. | Maximum clustered-target pressure |
Damage clarification: Kregg’s frequently quoted 3,200 Damage Factor is the combined theoretical total across the main target and two nearby targets when every direct hit and every Bleed tick connects. It is not 3,200 damage against one enemy Legion.
Best Kregg Skill Upgrade Order
Max Fragmentation Bolt first. It is Kregg’s most important early combat skill and provides an immediate increase in both primary-target and area damage.
| Skill Target | Recommended For | Reason |
|---|---|---|
| 5-1-1-1 | Initial development | Secures the maximum Fragmentation Bolt damage before spreading upgrades. |
| 5-5-5-1 | Combat-focused stopping point | Maximizes Kregg’s three combat skills while delaying the Engineering-only passive. |
| 5-5-5-5 | Complete long-term build | Unlocks Biggus Bombus and gives Kregg his full AoE and Bleed potential. |
For most active accounts, awakening Kregg is reasonable because Epic medals are more accessible than Legendary tokens. However, do not weaken the first skill by unlocking every skill too early when your current skill-control system does not guarantee the upgrade you want.
An Engineering-only player can prioritize Building Frenzy after unlocking it, but that should be treated as a specialized utility route rather than the best combat skill order.
Best Kregg Talent Tree Builds
Kregg currently has the Marksman, Engineering, and Mobility talent categories. He does not have a Control tree, and the Engineering tree should not be the core of an open-field damage build.
Open-Field Combat Build: Marksman and Mobility
For open-field combat, invest primarily in Marksman and use Mobility for the remaining points. Prioritize effects that improve:
- Marksman ATK and overall damage.
- Hero Skill damage to strengthen Fragmentation Bolt and its awakened Bleed.
- Rage generation for more consistent Rage Skill cycles.
- Normal-attack efficiency between skill casts.
- March Speed for positioning, chasing, and escaping.
Avoid spending deeply in Engineering when this march is intended to fight other players. Engineering points improve field-building activity rather than Kregg’s direct damage or survivability.
Engineering Build: Engineering and Mobility
Use a separate Engineering build when Kregg’s purpose is to construct Barricades or Alliance structures and dismantle enemy field buildings. Prioritize:
- Engineering speed and related field-building bonuses.
- March Speed so Kregg reaches the construction point quickly.
- Mobility and disengagement for leaving exposed positions.
- Legion durability only where it helps the march survive incidental pressure.
A Flying Engineering Legion has an additional strategic advantage because it can cross terrain that restricts ground marches. That can help Kregg reach a building location or leave a dangerous area more efficiently.
Primary-hero reminder: Only the primary hero’s talent tree is active. Use Kregg as primary when you specifically need his Marksman–Mobility or Engineering–Mobility talent setup. When another hero has the stronger talent tree, place Kregg in the deputy position for his skills.
Best Troop Composition for Kregg
The safest combat setup is a full Marksman Legion. This allows Kregg’s Marksman talents and Marksman-compatible Artifacts to provide their complete value.
Best Overall Setup: Full Flying Marksmen
Kregg reaches his maximum personal synergy with a Legion made entirely from Flying Marksman units, such as Wilderburg Wyvern Riders when they are available. This setup activates both parts of Aerial Formation:
- Up to 10% Legion ATK.
- Up to 10% additional DEF for an all-Flying Legion.
Flying units also improve map access by crossing rivers, cliffs, and other terrain that can block ground Legions.
Can Kregg Use Ground Marksmen?
Yes. Kregg can lead ordinary ground Marksmen and still receive his Legion ATK bonus, Marksman talent benefits, and Hero Skill damage. The main sacrifice is the conditional DEF bonus from Aerial Formation.
Do not build his Legion around “ranged infantry,” mixed tanks, or fictional siege-engine units. Engineering is a hero activity in Call of Dragons, not a separate combat troop category.
Best Hero Pairings for Kregg
Kregg is often most valuable as a deputy because his AoE Rage Skill, Hero Skill damage bonus, and Flying-unit passive can supplement a stronger primary Marksman hero.
| Pairing | Recommended Order | Why It Works | Best Use |
|---|---|---|---|
| Ffraegar and Kregg | Ffraegar primary | Combines a stronger Legendary Flying Marksman core with Kregg’s additional AoE and Flying DEF. | Later-season Flying Marksmen |
| Kinnara and Kregg | Kinnara primary | Kinnara supplies stronger PvP control and debuffs while Kregg adds multi-target Physical damage. | Open-field PvP |
| Nico and Kregg | Nico primary | Balances Nico’s focused Marksman pressure with Kregg’s area damage and mobility. | Early- and mid-game PvP |
| Gwanwyn and Kregg | Gwanwyn primary for PvE | An accessible double-Epic Marksman formation that is inexpensive to build and useful against Darklings. | New players and PvE |
| Kregg and Theia | Kregg primary with Marksmen | Theia adds shielding and Flying support, helping compensate for Kregg’s limited defensive kit. | Defensive Flying formation |
| Kregg and Ordo | Use the stronger Engineering primary | Combines two accessible Engineering heroes for constructing and destroying field buildings. | Engineering only |
Avoid choosing a deputy only because that hero is a tank or healer. A pairing should preserve the Legion’s troop type, damage scaling, range, and battlefield purpose rather than merely extending survival.
Best Artifacts for Kregg
Use a Marksman Artifact for combat and an Engineering Artifact for field-building activity. Artifact availability changes between seasons, so a developed Epic Artifact can be more practical than an unrefined Legendary option.
| Artifact | Main Value | Recommended Situation |
|---|---|---|
| Heartpiercer | Accessible Epic Physical damage with a chance to inflict Physical DEF Break | Best budget combat choice |
| Shadowblades | Marksman ATK and additional area pressure | Grouped open-field battles |
| Rattle-Spear | Heavy Physical Artifact damage, Slow, and DEF-Penetration synergy after DEF Break | Later-season offensive builds with Kinnara, Nico, or Heartpiercer support |
| Heart of Kamasi | Buffs the Physical ATK and normal-attack damage of your Legion and nearby friendly Marksmen | Coordinated Marksman groups |
| Visage of the Sanctus | Flying-unit DEF and protective shields | Full-Flying formation that needs survivability |
| Joyous Fireworks | Low-cost Engineering utility | Dedicated construction or demolition march |
Heartpiercer is usually the most realistic early recommendation because it supports Physical Marksman damage without requiring a highly developed Legendary Artifact. Shadowblades and Rattle-Spear become more attractive as your Artifact collection improves.
Best War Pet for Kregg
Kregg does not apply Physical DEF Break by himself, so his ideal War Pet depends heavily on his partner and Artifact.
- Snowpeak Roc: A strong offensive option when Kregg is paired with Kinnara, Nico, Heartpiercer, or another reliable source of DEF Break.
- Sand Lizard: A lower-investment support option when the march needs additional sustain rather than maximum damage.
- Other Physical Marksman pets: Can outperform both choices when they have considerably better attributes, stars, and skill rolls.
Do not judge a War Pet by its name or tier alone. A pet must have active skills that match the Legion, sufficient attributes to scale those skills, and a talent that your pairing can trigger consistently.
How to Use Kregg in Open-Field PvP
- Attack clustered enemy Legions. Fragmentation Bolt gains much more value when the target has two nearby enemies.
- Stay behind the frontline. Kregg has no native heal, shield, or major damage-reduction effect.
- Use a full Marksman Legion. Mixed troops weaken Marksman talents and can deactivate Artifact requirements.
- Use full Flying units when practical. This activates Aerial Formation’s DEF bonus and improves terrain access.
- Exploit Wyvern Rider after disengaging. Its temporary March Speed bonus helps Kregg reposition after combat ends.
- Do not overextend because the march can fly. Crossing terrain quickly can leave Kregg separated from allied support.
- Use the correct primary hero. Place Kregg as deputy when another Marksman hero provides a stronger PvP talent tree.
How to Use Kregg for Engineering
Kregg’s Engineering role is frequently misunderstood. Building Frenzy does not increase general siege damage against cities, passes, or towers. It increases Engineering while the Legion is constructing or destroying buildings placed in the field.
Use an Engineering-focused Kregg march to:
- Construct Barricades more quickly.
- Help complete Alliance field structures.
- Destroy eligible enemy field buildings.
- Reach difficult building locations with Flying units.
- Withdraw after completing the Engineering objective.
Engineering Legions are vulnerable when isolated. Coordinate with your Alliance, avoid carrying unnecessary high-tier units, and do not leave Kregg exposed after a structure has been completed or destroyed.
Engineering is not siege DPS: Kregg helps complete field-building objectives faster. He does not become a city-rally, garrison, or fortification-damage specialist simply because he has the Engineering category.
How to Unlock Kregg
Kregg is a Season 1 Epic hero commonly associated with early-account progression. His tokens can appear through Road to Glory tasks, Hero Recruitment, and other Epic medal rewards, depending on the current event and server schedule.
After recruiting him, continue developing his skills with Kregg tokens and compatible Epic medals. Because he does not require Legendary tokens, awakening him is achievable for active free-to-play and low-spending players.
Players comparing an established roster instead of beginning on a new server can review a call of dragons account for sale that clearly lists Kregg’s skill levels, available Artifacts, season, migration status, and transfer details. Verify every listing detail before making a decision.
Is Kregg Worth Investing In?
| Account Stage | Investment Recommendation | Reason |
|---|---|---|
| New Account | High priority among accessible Epic heroes | Affordable AoE, useful Marksman pairing, and early Engineering value |
| Developing Account | Awaken if he remains in an active march | Biggus Bombus significantly improves his multi-target pressure |
| Mature Account | Use selectively | Modern Legendary Marksmen usually provide better primary combat value |
| Alliance Engineering Account | Retain permanently | Building Frenzy and Mobility preserve his strategic utility |
Kregg is therefore a good Epic investment, not an endgame must-build combat hero. His greatest long-term advantage is that he can move from an early Marksman formation into a permanent Engineering role.
Common Kregg Build Mistakes
- Using Engineering talents in open-field PvP: They do not increase Kregg’s combat damage.
- Using mixed troop types: This weakens Marksman bonuses and can interfere with Artifact requirements.
- Assuming 3,200 is single-target damage: The number represents combined damage across three targets and all Bleed ticks.
- Calling Building Frenzy a siege-damage skill: It affects constructing and destroying field buildings.
- Using ground units without understanding the trade-off: Ground Marksmen work, but they do not activate Aerial Formation’s Flying DEF bonus.
- Making Kregg primary automatically: A stronger Marksman hero may provide a better active talent tree.
- Overinvesting after replacing him: Once Kregg leaves your combat marches, develop only the levels and talents needed for Engineering.
FAQ
Is Kregg good in Call of Dragons?
Yes. Kregg is a useful Epic hero for early AoE combat, Flying Marksman formations, and Engineering. He becomes more situational once an account develops stronger Legendary Marksman heroes.
What is the best Kregg talent tree?
Use Marksman as the main tree and Mobility as the secondary tree for open-field combat. Use Engineering and Mobility only when Kregg is assigned to field-building work.
What is the best Kregg skill order?
Start with 5-1-1-1, move toward 5-5-5-1 for a combat-focused build, and finish at 5-5-5-5 when you want to unlock Biggus Bombus.
What is the best early pairing for Kregg?
Gwanwyn and Kregg is one of the best accessible early combinations. Use Gwanwyn as primary for Peacekeeping content and Kregg as deputy for additional Physical area damage.
What is the best late-game pairing for Kregg?
Ffraegar and Kregg is a stronger later-season Flying Marksman option when Ffraegar is available and developed. Kinnara or Nico can also use Kregg as an AoE deputy.
Does Kregg need Flying units?
No. Kregg can use ground Marksmen, but an all-Flying Legion receives the additional DEF bonus from Aerial Formation and gains better terrain access.
What is the best Artifact for Kregg?
Heartpiercer is the best accessible Epic option. Shadowblades is useful for area damage, while Rattle-Spear becomes a strong later-season choice when the formation can inflict Physical DEF Break.
What does Kregg’s Building Frenzy skill do?
Building Frenzy increases Engineering while Kregg’s Legion is constructing or destroying eligible field buildings. It does not increase ordinary PvP, rally, city-siege, or garrison damage.
Is Kregg’s awakening worth it?
It is worthwhile for players who still use Kregg in combat. Biggus Bombus increases the main hit and adds Bleed to every damaged target, substantially improving his pressure against clustered Legions.
How do you unlock Kregg?
Kregg tokens are commonly available during early progression through Road to Glory and may also appear through Hero Recruitment and Epic medal rewards. Exact availability can vary with the current server and event schedule.
Conclusion
Kregg is an accessible and flexible Epic hero whose real strengths are Physical area damage, Marksman support, Flying-unit synergy, post-combat mobility, and field-building Engineering.
For combat, use a full Marksman Legion, prioritize Marksman and Mobility talents, max Fragmentation Bolt first, and work toward awakening if Kregg remains part of an active formation. Gwanwyn is an excellent early partner, while Ffraegar, Kinnara, and Nico provide more advanced pairing options.
For Engineering, use a separate Engineering–Mobility build and remember that Building Frenzy affects constructing and destroying field buildings rather than general siege damage.
Kregg will not remain at the top of a mature PvP roster, but his low development cost and permanent Engineering value make him a useful hero for much longer than his Epic rarity might suggest.




