The Trial Event is one of the first progression events new players encounter in Whiteout Survival. It becomes available early in the game and rewards you for completing normal beginner objectives such as upgrading your Furnace, progressing through Exploration, leveling heroes, training troops, completing Intel, researching technology, and joining Polar Terror rallies.
One of the most important rewards is Jessie, an Epic Lancer hero whose Expedition skills can remain useful well beyond the first few days of your account.
This Whiteout Survival Trial Event guide explains when the event unlocks, how its five-day mission structure works, Trial Point milestones, Jessie shard rewards, the best missions to prioritize, and how much you should invest in Jessie as your account develops.
What Is the Trial Event in Whiteout Survival?
The Trial Event is an early-game progression event designed around tasks that new players are already completing while developing their city.
Rather than requiring one specialized activity, Trial Event missions cover several core systems:
- Daily logins
- Furnace upgrades
- Exploration progress
- Hero leveling
- Arena battles
- Alliance assistance
- Troop training
- Intel missions
- Troop-tier unlocks
- Research Center upgrades
- Technology research
- Hero skill upgrades
- Polar Terror rallies
- Speedup usage
- Squad Power growth
Because these objectives overlap with normal beginner progression, most players can complete a substantial portion of the event without changing their account strategy.
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| Trial Event Detail | Information |
|---|---|
| Event | Trial Event |
| Type | Beginner progression event |
| Unlock | Furnace Level 5 |
| Mission Release | 3 categories per day for the first 5 days |
| Main Hero Reward | Jessie shards |
| Trial Point Milestones | 5 / 25 / 50 / 80 / 120 |
| Best For | New players and early account progression |
When Does the Trial Event Unlock?
The Trial Event becomes available after reaching approximately Furnace Level 5.
Because Furnace 5 is reached very early, the event effectively acts as one of the game’s introductory progression systems.
You should therefore begin checking the event page as soon as it appears instead of waiting until your city is much farther developed.
How the Trial Event Works
The Trial Event unlocks new mission groups during its first five days.
Three types of missions unlock each day. Importantly, missions from previous days can still be completed later during the event.
That means falling slightly behind on Day 1 or Day 2 does not necessarily mean those missions are permanently lost the moment the next day’s objectives open.
The basic flow is:
- Reach Furnace Level 5 and unlock the event.
- Open the Trial Event page.
- Review the three currently available mission groups.
- Complete normal city and hero progression objectives.
- Earn Trial Points and individual task rewards.
- Unlock additional mission groups each day.
- Claim Trial Point milestone rewards.
- Finish remaining earlier missions before the event closes.
Whiteout Survival Trial Event Missions by Day
Each day introduces a different set of progression objectives.
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| Day | Mission Group 1 | Mission Group 2 | Mission Group 3 |
|---|---|---|---|
| Day 1 | Daily Login | Furnace Upgrades | Exploration Progress |
| Day 2 | Hero Upgrades | Arena Challenges | Alliance Assistance |
| Day 3 | Troop Training | Intel Missions | Unlock Troop Tiers |
| Day 4 | Research Center Upgrades | Technology Research | Hero Skill Upgrades |
| Day 5 | Polar Terror Rallies | Use Speedups | Increase Squad Power |
Day 1 Trial Event Missions
Day 1 focuses on the most basic forms of account progression:
- Logging in on consecutive days
- Upgrading your Furnace
- Clearing Exploration stages
Furnace Upgrade Milestones
Listed Furnace objectives include reaching:
- Furnace Level 5
- Furnace Level 8
- Furnace Level 12
- Furnace Level 15
- Furnace Level 17
These tasks give Trial Points and can also award Jessie shards and construction speedups.
Since Furnace advancement is already your central early-game objective, this is one of the easiest Trial Event categories to progress naturally.
Exploration Milestones
Day 1 also rewards reaching Exploration stages such as:
- Stage 30
- Stage 50
- Stage 100
- Stage 150
- Stage 200
These objectives can provide Sergey shards and Hero XP in addition to Trial Points.
Day 2 Trial Event Missions
Day 2 shifts toward heroes, Arena activity, and alliance participation.
Hero Leveling
The listed hero-upgrade objectives gradually increase from leveling an early hero to Level 10 through developing several heroes toward Level 40.
Do not spread Hero XP across weak heroes solely to complete one mission. Focus first on heroes you are already using.
Arena Challenges
Arena objectives reward simply participating in increasing numbers of Arena challenges.
Because Arena attempts are already useful for beginner progression, complete your normal attempts instead of leaving them unused.
Alliance Assistance
Alliance Help tasks reward you for assisting alliance members repeatedly.
This is essentially free progress. Whenever the Alliance Help icon appears, use it.
Day 3 Trial Event Missions
Day 3 focuses primarily on military progression.
Train Troops
Training milestones increase from hundreds to thousands of troops.
Because troop training continues to matter throughout your account, keep your troop buildings active rather than starting huge unnecessary training queues only for Trial Event points.
Complete Intel Missions
Intel tasks reward completing increasing numbers of Lighthouse Intel missions.
These are particularly useful because Intel already provides heroes, shards, resources, and other progression rewards.
Unlock Higher Troop Tiers
The event also rewards unlocking progressively higher troop levels, from early T2 units through approximately T6.
This naturally overlaps with Furnace, troop-building, and research progression.
Day 4 Trial Event Missions
Day 4 moves toward research and hero skill development.
Upgrade the Research Center
Research Center milestones include several early building levels, eventually reaching approximately Level 16.
This should fit naturally into your city-development path.
Research Technologies
Another mission group rewards researching an increasing number of technologies.
Use these tasks as additional value from research you actually need rather than choosing random technologies purely for points.
Upgrade Hero Skills
Hero skill missions reward improving several hero skills.
Use manuals on heroes that are already part of your early lineup. Avoid wasting scarce skill materials on heroes you expect to abandon immediately.
Day 5 Trial Event Missions
Day 5 combines alliance combat activity with speedups and overall power progression.
Join Polar Terror Rallies
The listed objectives progress through joining:
- 2 Polar Terror rallies
- 5 Polar Terror rallies
- 9 Polar Terror rallies
- 13 Polar Terror rallies
- 18 Polar Terror rallies
Joining active alliance rallies is one of the easiest ways to complete this section while collecting additional PvE rewards.
Use Speedups
The speedup objectives begin at relatively low usage and increase toward hundreds of minutes.
Whenever possible, use those speedups on construction, research, or troop progression you actually wanted to complete.
Increase Squad Power
The final mission group tracks total Squad Power milestones.
These objectives reflect your overall early progression rather than one specific upgrade.
Trial Point Rewards and Jessie Shards
Completing Trial Event missions awards Trial Points.
Accumulating enough points unlocks additional milestone rewards, including Jessie shards.
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| Trial Points | Base Jessie Shards | VIP Bonus Requirement | Additional Jessie Shards |
|---|---|---|---|
| 5 | 5 | VIP 2 | 4 |
| 25 | 7 | VIP 3 | 4 |
| 50 | 10 | VIP 4 | 6 |
| 80 | 20 | VIP 5 | 10 |
| 120 | 26 | VIP 5 | 16 |
The five base Trial Point milestones therefore provide a substantial number of Jessie shards even before considering any applicable VIP bonus shards or Jessie shards earned directly from individual missions.
For a new player, this makes Trial Event one of the most important early Jessie progression opportunities.
What Happens to Unclaimed Trial Event Rewards?
According to the current event rules, unclaimed rewards are sent through in-game mail after the event ends.
Still, claiming rewards manually is usually better because early-game resources can immediately help you progress toward later Trial Event missions.
For example, a speedup or Hero XP reward claimed today may help you reach another milestone tomorrow.
Trial Event Main Hero: Jessie
Jessie is an Epic Lancer hero with the Combat subclass.
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| Jessie Detail | Information |
|---|---|
| Rarity | Epic |
| Class | Lancer |
| Subclass | Combat |
| Exploration Attack | 1,776 |
| Exploration Defense | 2,220 |
| Exploration Health | 17,760 |
| Expedition Attack | 140.11% |
| Expedition Defense | 140.11% |
Jessie is not simply a temporary beginner hero. One of her Expedition skills gives her a useful support role in rallies even after your personal main-march lineup begins replacing early Epic heroes.
Jessie Skills
Burst Fire
Burst Fire is an Exploration skill that sprays enemies in a forward arc.
Its listed damage scales from 55% to 75% of Jessie’s Attack every 0.5 seconds for two seconds.
Defense Upgrade
Defense Upgrade increases Jessie’s own Defense, scaling through the skill levels from 25% to 70%.
Weapon Upgrade
Weapon Upgrade improves Jessie’s Attack, scaling from 8% to 24%.
Stand of Arms
Stand of Arms is one of Jessie’s most important Expedition skills.
It increases damage dealt by all troops:
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| Skill Level | Damage Dealt Increase |
|---|---|
| 1 | 5% |
| 2 | 10% |
| 3 | 15% |
| 4 | 20% |
| 5 | 25% |
This skill is why Jessie can remain relevant as a rally support hero instead of immediately becoming useless when newer Legendary heroes appear.
Bulwarks
Bulwarks reduces damage taken by all troops:
- Level 1: 4%
- Level 2: 8%
- Level 3: 12%
- Level 4: 16%
- Level 5: 20%
Together, Stand of Arms and Bulwarks give Jessie useful offensive and defensive Expedition support.
How to Get More Jessie Shards
The Trial Event provides important early Jessie shards, but it is not her only source.
After the beginner event, Jessie shards can continue to come from:
- Lighthouse Intel
- Hero Recruitment
Because Jessie remains obtainable after Trial Event ends, you do not need to panic if you fail to maximize every possible shard during the event.
Is Jessie Worth Building?
Yes, Jessie is worth building, especially because her shards are accessible and her Expedition support remains useful.
However, the reason to build Jessie changes as your account develops.
Early Game
Jessie can contribute directly to your Exploration lineup and general combat because your hero roster is still limited.
Later Progression
Stronger Legendary heroes will eventually outperform Jessie in many main-march positions.
Nevertheless, her Stand of Arms Expedition skill can keep her relevant when joining alliance rallies where her support effect is useful.
This means “Jessie is an Epic hero” is not a good reason to completely abandon her progression.
Best Trial Event Strategy for Beginners
Trial Event rewards players for progress you should already be making.
A practical strategy is:
- Reach Furnace Level 5 and open the event immediately.
- Review the current mission groups each day.
- Keep progressing your Furnace naturally.
- Use daily Arena attempts.
- Tap Alliance Help whenever available.
- Keep troop buildings active.
- Complete Lighthouse Intel consistently.
- Research useful technology instead of random technology.
- Upgrade the heroes and skills you actually use.
- Join Polar Terror rallies through an active alliance.
- Use speedups on worthwhile upgrades.
- Watch your Trial Point milestones.
This approach minimizes waste because most Trial Points come from actions that already strengthen the account.
Should You Rush Furnace Level 17 for Trial Event?
Furnace Level 17 appears among the higher Day 1 progression objectives.
However, do not burn every premium resource simply because one Trial Event task exists.
Reaching Furnace milestones efficiently is useful because Furnace progression unlocks additional game systems and stronger buildings. Still, spend Gems and speedups according to your broader account plan, not only for one beginner event.
Which Trial Event Missions Should You Prioritize?
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| Mission Type | Priority | Reason |
|---|---|---|
| Daily Login | Very High | Free progress |
| Furnace Progress | Very High | Core account progression |
| Exploration | High | Normal hero progression |
| Arena | High | Uses normal attempts |
| Alliance Help | Very High | Essentially free |
| Intel | Very High | Strong normal rewards |
| Research | High | Permanent progression |
| Polar Terror Rallies | High | Alliance and PvE rewards |
| Heavy Speedup Use | Situational | Only if upgrade is worthwhile |
Beginner events can create large progression differences between fresh accounts. Players comparing more developed starting points can also review a wos account for sale to compare accounts by heroes, Furnace progress, troops, research, Chief systems, and other early development.
Common Trial Event Mistakes
Waiting Until Day 5 to Check the Event
New mission categories unlock each day. Open the event early so you understand which normal activities are contributing toward rewards.
Thinking Previous-Day Missions Disappear Immediately
Earlier missions remain completable during the event, so continue working on unfinished objectives after the next day’s categories unlock.
Ignoring Trial Point Rewards
Individual missions are only part of the reward structure. Remember to check the 5, 25, 50, 80, and 120 Trial Point milestones.
Spending Speedups on Useless Upgrades
Trial Event should reward normal progression. Do not rush a low-priority upgrade only to complete one task.
Ignoring Alliance Activity
Alliance Help and Polar Terror rally participation contribute toward event missions and are useful outside Trial Event as well.
Abandoning Jessie Too Early
Jessie may eventually leave your main Exploration team, but Stand of Arms can continue giving her value in Expedition and rally-support situations.
Over-Investing in Jessie for Exploration Only
Do not measure her value only by whether she remains one of your five strongest heroes. Consider her support role and your available Jessie-specific shards.
FAQ
What is the Trial Event in Whiteout Survival?
The Trial Event is an early beginner event that rewards normal account progression and provides Jessie shards, Trial Point milestone rewards, resources, speedups, and other useful items.
When does the Trial Event unlock?
The Trial Event becomes available around Furnace Level 5.
How many days of Trial Event missions are there?
Three new mission categories unlock each day during the first five days of the event.
How do you get Jessie from the Trial Event?
Complete Trial Event missions to earn rewards and Trial Points. Trial Point milestones at 5, 25, 50, 80, and 120 points award additional Jessie shards.
Can you complete older Trial Event missions later?
Yes. Missions from previous days remain available during the event, so you can continue completing them after newer daily mission groups unlock.
What happens to unclaimed Trial Event rewards?
The event rules state that unclaimed rewards are sent through in-game mail after the event ends.
Is Jessie worth upgrading?
Yes. Jessie is useful early and can remain valuable as a rally-support hero because Stand of Arms increases damage dealt by all troops by up to 25% at maximum skill level.
Can you get Jessie after the Trial Event ends?
Yes. Jessie shards are also available through sources such as Lighthouse Intel and Hero Recruitment.
Conclusion
The Whiteout Survival Trial Event is much more than a simple one-time Jessie unlock. It rewards nearly every major form of beginner progression, including Furnace upgrades, hero development, Exploration, Arena, alliance participation, troop training, Intel, research, Polar Terror rallies, and Squad Power.
Because three mission categories unlock each day for the first five days, check the event regularly and keep working on previous objectives when necessary. Most missions should fit naturally into progression you already intended to complete.
Trial Points are particularly important because the 5, 25, 50, 80, and 120-point milestones provide additional Jessie shards. Combined with direct mission rewards and later Jessie sources such as Lighthouse Intel and Hero Recruitment, the event gives new players a strong start on one of the game’s most useful early Epic heroes.
For more beginner events, hero guides, resource strategies, and account progression advice, explore our Whiteout Survival guides.
Whiteout Survival beginner-event missions, rewards, VIP bonuses, and unlock requirements may change through future updates. Check the current in-game Trial Event screen before using large quantities of speedups, Gems, or other limited resources.




