Battle Data in Last War: Survival is the main EXP resource used to level your Tactical Drone. You spend it through Drone Data Training to fill the upgrade progress bar, while Drone Parts are required at key milestones and become increasingly important in late-game progression.
The best regular Battle Data sources include Radar Tasks, World Map monsters, Doom Elite, the Campaign Store, and selected events or reward systems. Requirements rise sharply at higher Drone levels, so efficient players farm Battle Data consistently while also saving enough Drone Parts for upcoming checkpoints.
★Quick Take: Battle Data is usually easier to replace than Drone Parts. Keep leveling your Drone when the upgrade is useful, but always check the next Parts requirement before spending selectable rewards. After Drone level 150, Drone Parts are required for every level, so long-term Parts planning becomes much more important.
What Is Battle Data in Last War?
Battle Data acts as EXP for the Tactical Drone. Using it increases the Drone’s upgrade progress, and filling the progress bar advances the Drone toward its next level.
Drone development matters because the Drone fights alongside your squad and provides stat bonuses to your Heroes. Higher Drone progression also leads into additional Drone systems and milestone bonuses.
Battle Data is not the same as Drone Parts, Drone Components, or Drone Skill Chips:
- Battle Data: provides EXP for normal Drone leveling.
- Drone Parts: are required at key level stages and, after level 150, for every Drone level.
- Drone Components: occupy six component slots and improve Drone and Hero attributes.
- Drone Skill Chips: provide another layer of combat bonuses later in server progression.
If Drone Parts are your current bottleneck, the Last War Drone Parts guide explains where to obtain them and how their requirements increase.
How Battle Data Critical Hits Work
Current official Last War guidance documents an important mechanic that makes actual Battle Data consumption less predictable than a simple upgrade chart suggests.
When your Drone upgrade progress is below 80%, using Battle Data has a 50% chance to trigger a Critical Hit. A Critical Hit doubles the EXP gained from that use.
Once the progress bar moves above 80%, Battle Data Critical Hits no longer occur for the remainder of that upgrade.
This means two players completing the same Drone level may not consume exactly the same amount of Battle Data if one receives more Critical Hits.
!Important: Treat Battle Data requirement tables as planning references, not guaranteed final consumption. Critical Hits can reduce the Battle Data you actually spend while progress is below 80%, and future balance changes can alter individual requirements. Your live Drone upgrade screen is the final authority.
Last War Drone Battle Data Requirements by Level
The table below combines the published Battle Data and Drone Parts requirements for the main five-level checkpoints through level 140.
The Battle Data figures represent the documented total for five upgrade segments and the amount associated with each segment. Drone Parts follow a similar five-segment structure at these milestone levels.
| Drone Level | Battle Data Total | Battle Data per Segment | Drone Parts Total | Drone Parts per Segment |
|---|---|---|---|---|
| 5 | 11,250 | 2,250 | 5 | 1 |
| 10 | 15,000 | 3,000 | 10 | 2 |
| 15 | 18,750 | 3,750 | 20 | 4 |
| 20 | 22,500 | 4,500 | 30 | 6 |
| 25 | 26,250 | 5,250 | 40 | 8 |
| 30 | 30,000 | 6,000 | 50 | 10 |
| 35 | 37,500 | 7,500 | 60 | 12 |
| 40 | 37,500 | 7,500 | 80 | 16 |
| 45 | 37,500 | 7,500 | 100 | 20 |
| 50 | 37,500 | 7,500 | 120 | 24 |
| 55 | 40,000 | 8,000 | 140 | 28 |
| 60 | 40,000 | 8,000 | 160 | 32 |
| 65 | 42,500 | 8,500 | 180 | 36 |
| 70 | 45,000 | 9,000 | 200 | 40 |
| 75 | 47,500 | 9,500 | 250 | 50 |
| 80 | 50,000 | 10,000 | 300 | 60 |
| 85 | 52,500 | 10,500 | 350 | 70 |
| 90 | 55,000 | 11,000 | 400 | 80 |
| 95 | 60,000 | 12,000 | 450 | 90 |
| 100 | 60,000 | 12,000 | 500 | 100 |
| 105 | 75,000 | 15,000 | 600 | 120 |
| 110 | 75,000 | 15,000 | 700 | 140 |
| 115 | 180,000 | 36,000 | 800 | 160 |
| 120 | 180,000 | 36,000 | 1,000 | 200 |
| 125 | 210,000 | 42,000 | 1,500 | 300 |
| 130 | 210,000 | 42,000 | 2,000 | 400 |
| 135 | 240,000 | 48,000 | 3,000 | 600 |
| 140 | 240,000 | 48,000 | 4,000 | 800 |
The sharp increase after level 110 is easy to underestimate. Battle Data rises from 75,000 at the listed level-110 checkpoint to 180,000 at level 115, while Drone Parts also become progressively more expensive.
Do not plan a long Drone push from Battle Data alone. Check both resources before starting because having millions of Battle Data does not help if the next Parts gate stops your progression.
What Changes After Drone Level 150?
Drone progression becomes considerably more expensive after level 150.
Before level 150, Drone Parts are concentrated at specific key stages. Current official guidance states that after level 150, Drone Parts are required for every level-up.
This changes the resource priority for advanced accounts. Battle Data remains necessary for Drone EXP, but Drone Parts become a persistent requirement rather than an occasional checkpoint.
For this reason, players approaching level 150 should begin building a Parts reserve instead of assuming their existing Battle Data stockpile will carry them through late-game Drone progression.
Important Drone Level Milestones
Not every Drone level has equal strategic value. Official Last War guidance identifies several milestones where additional Drone benefits unlock.
- Levels 30, 50, 70, 90, and 110: important Anti-Armor Rocket skill progression points.
- Levels 50, 100, 150, 200, and 250: Drone appearance milestones that also provide additional stat benefits.
- After level 150: Drone Parts become necessary for every level.
If you are deciding whether to spend Battle Data immediately or save it, look at how close you are to one of these meaningful breakpoints rather than upgrading simply because resources are available.
Where to Get Battle Data in Last War
Radar Tasks
Radar Tasks are one of the most reliable recurring sources of Battle Data. Complete tasks consistently and avoid letting your available Radar opportunities remain capped for long periods.
Radar is particularly efficient because you are normally completing these tasks for several types of progression rewards rather than farming Battle Data in isolation.
World Map Monsters and Zombies
Killing World Map monsters can reward Battle Data. This gives stamina another route into Drone development.
Before repeatedly farming one target, check its reward preview and consider whether an active stamina or monster-killing event gives you additional value for the same action.
Doom Elite
Doom Elite enemies are another documented source. Coordinate with your alliance when necessary so you can defeat suitable levels efficiently instead of wasting stamina or failed attempts.
Campaign Store
Battle Data can be exchanged through the Campaign Store. Whether it is worth buying depends on what else you currently need from the store.
Battle Data is generally easier to obtain than Drone Parts, so do not automatically spend limited store currency on Data without comparing the alternatives.
Summon Supplies and Reward Systems
Battle Data can also appear through Summon Supplies and other reward systems. Check the current reward pool before committing limited tickets or premium currency solely for Battle Data.
Special Events
Limited events may provide Battle Data directly or offer currencies and chests that contribute to Drone development. Event rewards change over time, so use the live reward screen rather than relying on an old event list.
Paid Packs
Battle Data is also available in some paid packs. Spending only makes sense when Battle Data is genuinely your bottleneck; buying more Data provides little immediate value if Drone Parts are preventing the next level.
Best Way to Farm Battle Data Efficiently
1. Clear Recurring Sources First
Prioritize Radar Tasks and normal daily activities before spending extra stamina purely to farm Battle Data. Free recurring income adds up significantly over weeks of Drone development.
2. Stack Stamina Farming With Events
If you intend to hunt World Map monsters or Doom Elite, do it when the same stamina expenditure can also contribute to an event objective.
This does not increase the Battle Data from every individual target, but it improves the total value obtained from each point of stamina.
3. Check Your Next Drone Parts Gate
Before spending a selectable reward on Battle Data, open the Drone interface and look at your next milestone.
If Battle Data is plentiful but Drone Parts are far below the upcoming requirement, selecting even more Data may simply increase a stockpile you cannot use.
4. Save Flexible Chests Until You Know the Bottleneck
Selectable resource chests are more valuable while they remain flexible. Open them when you know whether Battle Data, Drone Parts, or another resource is preventing the next useful upgrade.
5. Avoid Wasteful Stamina Farming
Do not assume the strongest monster you can attack is automatically the best Battle Data target. Compare stamina cost, reward preview, rally requirements, and any event points earned at the same time.
✓Recommendation: Treat Battle Data as a steady farming resource and Drone Parts as a resource to forecast. Before every major Drone push, check the Battle Data requirement, the next Parts checkpoint, and whether spending now overlaps with an Arms Race or Alliance Duel Drone-scoring task.
When Should You Spend Battle Data?
There is no reason to permanently hoard Battle Data if it can unlock a useful Drone upgrade, but timing your spending can provide extra event value.
Arms Race Drone Boost
The Drone Boost phase of Arms Race can award points for using Drone Battle Data. If your squad does not urgently need the upgrade immediately, saving a meaningful amount of Data for that phase lets the same progression contribute to event rewards.
Alliance Duel
Alliance Duel can also include Drone development scoring for using Battle Data and Drone Parts. Check the current day’s objectives before making a large Drone upgrade outside the scoring window.
Event efficiency should not prevent necessary account progression for days at a time, but when a scoring period is close, waiting can give you two benefits from the same resource.
Battle Data vs. Drone Parts: Which Should You Prioritize?
For most developing accounts, Drone Parts become the scarcer resource.
Battle Data is available through Radar, monsters, Doom Elite, Campaign Store exchanges, and other recurring sources. Drone Parts have fewer dependable sources and increasingly large milestone requirements.
| Resource | Main Purpose | Typical Pressure | Best Planning Approach |
|---|---|---|---|
| Battle Data | Drone EXP and leveling progress | Steady, then much higher at advanced levels | Farm continuously and time large spending with events |
| Drone Parts | Required Drone upgrade stages | Increasingly restrictive | Check future requirements and build a reserve |
The balance becomes even more important at level 150+, when official guidance states that Drone Parts are needed for every level.
How Components and Chips Fit Into Drone Progression
A higher Drone level is only one part of building a strong Drone. Components and Skill Chips provide separate progression paths and should not be ignored simply because Battle Data is easy to see in the main leveling screen.
Drone Components
The Component Factory generates Level 1 Drone Component Chests over time. Components improve attributes through a separate upgrade system rather than consuming Battle Data.
The Last War Component Factory guide covers production times, useful factory levels, and when upgrading the building is worth the cost.
Drone Skill Chips
Skill Chips become an important mid- and late-game system and allow you to tailor additional Drone effects to your formations.
The Last War Drone Chip priority guide explains which chips and upgrades deserve attention as the system develops.
F2P and Spender Battle Data Strategy
F2P and Low-Spending Players
Consistency matters more than trying to force rapid Drone levels. Complete Radar Tasks, participate in events, use stamina efficiently, and avoid wasting flexible rewards on Battle Data when Drone Parts are already the bottleneck.
As level 150 approaches, save Parts aggressively because their role changes from periodic checkpoints to a requirement on every level.
Spenders
Paid Battle Data can accelerate a Drone push, but the same bottleneck rule applies. Before buying Data, verify that you also have the Drone Parts needed to reach the target level rather than stopping halfway through the progression you intended to buy.
Players who prefer to begin with a more developed Drone and broader permanent progression can optionally compare a Last War account for sale. Check Drone level, Parts reserves, Components, Skill Chips, heroes, gear, research, troop tiers, and overall account development rather than evaluating Drone level alone.
Common Battle Data and Drone Upgrade Mistakes
- Ignoring the Critical Hit mechanic: Battle Data can provide double EXP while upgrade progress is below 80%, so a fixed chart does not guarantee exact consumption.
- Planning only around Battle Data: Drone Parts can stop an upgrade even when you have plenty of Data available.
- Using every selectable chest immediately: preserve flexibility until you know which Drone resource is actually limiting progress.
- Farming monsters outside useful event windows: when possible, combine stamina spending with another scoring objective.
- Missing Radar Tasks: recurring free sources become significant over months of Drone development.
- Spending immediately before a Drone-scoring event: a short wait may let the same upgrade earn Arms Race or Alliance Duel rewards.
- Underestimating level 150: Drone Parts become necessary for every level after this point.
- Ignoring Components and Skill Chips: Drone level alone does not represent the full strength of the Drone system.
FAQs
What is Battle Data used for in Last War?
Battle Data provides EXP for Tactical Drone upgrades. Using it fills the Drone upgrade progress bar and helps raise the Drone to higher levels.
What is the best way to get Battle Data?
Radar Tasks are one of the most reliable recurring sources. World Map monsters, Doom Elite, the Campaign Store, special reward systems, events, and some paid packs can provide additional Battle Data.
How does the Battle Data Critical Hit work?
While Drone upgrade progress is below 80%, each Battle Data use has a 50% chance to trigger a Critical Hit that doubles the EXP gained. Critical Hits stop once progress passes 80%.
Do I need Drone Parts for every Drone level?
Not during most early and mid-game progression. Drone Parts are used at key stages before level 150. After level 150, current official guidance states that Parts are required for every level-up.
Should I save Battle Data for Arms Race or Alliance Duel?
If you do not urgently need the Drone upgrade, timing Battle Data spending with an active Drone-scoring phase can provide extra event value. Always check the current event objectives before spending a large stockpile.
Is Battle Data or Drone Parts harder to get?
Drone Parts are generally the more restrictive long-term resource. Battle Data has several recurring farming sources, while Parts requirements become increasingly large and are required every level after 150.
Conclusion
Battle Data is the foundation of Tactical Drone leveling in Last War: Survival, but efficient Drone progression requires more than simply farming as much Data as possible. Use recurring sources consistently, understand the below-80% Critical Hit mechanic, and always compare your Battle Data balance with the Drone Parts needed for the next milestone.
As your Drone approaches level 150, Parts planning becomes even more important. For more Drone, building, hero, research, and progression strategies, browse the Heaven Guardian Last War: Survival guides.
