Interactive field guide · S1–S6
Build around your role
Plan both permanent skill columns and the seasonal skills for Engineer or War Leader. Keep separate plans across seasons; read the complete guide for strategy and combinations.
0 / 100 points
Two permanent columns and one seasonal column. Seasons 1–6 are documented here; S6 is the latest verified tree. Enter your own point budget, including earned bonus points. Switching season or profession retains your plans without charging points for hidden skills.
Documented level cap: 100. This is a planning tool, not a connection to your game. Known prerequisites are checked; confirm any additional restrictions in your current game version. Historical layouts can differ between game updates; the selected season is a reference, not a guarantee for every past server version.
Rapid ProductionEffect
Claim stored production from your base resource buildings.
Outstanding ContributionEffect
Earn more spendable Alliance Contribution from donations and helps; ranking credit is separate.
Combat ExperienceEffect
Earn more profession experience from monster kills.
Extra MealEffect
Improve the stamina received from Daily Freebie.
Siege MasteryEffect
Deal more durability damage and gain access to ruin removal.
Building Inspiration IEffect
Earn more profession experience from seasonal building upgrades.
Build for FreeEffect
Extend the free construction speed-up window.
Research for FreeEffect
Extend the free research speed-up window.
Double ExchangeEffect
Convert between seasonal resource types.
Build NowEffect
Activate to shorten ongoing construction queues.
Research NowEffect
Activate to shorten ongoing research queues.
Free Advanced TeleportEffect
Accumulate a free Advanced Teleport use.
Rally RushEffect
Travel faster when joining and returning from rallies.
Siege BannerEffect
Place an area banner that improves nearby allies’ durability damage.
Professional InsightsEffect
Activate to claim profession experience, subject to the skill’s reward cap.
Siege InspirationEffect
Earn profession experience by damaging city durability.
Friendly AidEffect
Protect an ally’s Drill Ground troops while reinforcing their base; duplicate effects do not stack.
Rainforest StyleEffect
Unlock a temporary rainforest base appearance; it expires on reset or season end.
Cooperative ConstructionEffect
Give yourself and a selected ally a temporary construction-speed buff; duplicate effects do not stack.
Cooperative ResearchEffect
Give yourself and a selected ally a temporary research-speed buff; duplicate effects do not stack.
Extra War MeritEffect
Earn more War Merit when donating catches to eligible alliance or faction progression.
Resource-SavingEffect
Spend fewer resources on construction.
RecyclingEffect
Spend fewer resources on research.
Multi FishingEffect
Spend additional bait to collect multiple fishing rewards.
Medical AidEffect
Temporarily expand your Hospital and an ally’s Hospital; duplicate effects do not stack.
Buddy ShieldEffect
Activate protection for yourself or an ally; duplicate effects do not stack.
Golden BaitEffect
Activate to obtain Golden Bait.
Drone SupplyEffect
Claim an Engineer reward; reward quality depends on skill investment.
Fearless DefenseEffect
Your casualties while defending a base cause losses among the attackers.
Fragile SpellEffect
Protector victories against bases reduce the target’s maximum durability.
Random VisitorsEffect
Recruit a random survivor.
Durability MineEffect
A home-warzone trap damages the triggering base’s durability; its fully upgraded form can ignite the base.
Shrinking SpellEffect
Protector victories shrink the enemy base’s appearance; this is a visual effect.
One MoreEffect
Daily-task chests can award extra rewards.
Support BoostEffect
Make each alliance help remove more queue time.
Golden Fish ChestEffect
Fishing can award an additional Golden Fish Chest.
Efficient GatheringEffect
Collect tile resources faster.
First Aid ExpertEffect
Send more defeated troops to the Emergency Center.
Battlefield CleanupEffect
Receive more basic resources from supported monsters and Doom Elites.
Master BuilderEffect
Build faster.
Homeland AttackEffect
Improve Hero Attack while your base is on your faction’s territory.
Instant GatheringEffect
Finish gathering a home-warzone individual tile immediately, limited by squad carrying capacity.
Monster TrackingEffect
March faster toward monsters.
Homeland DefenseEffect
Improve Hero Defense while your base is on your faction’s territory.
Win-Win CooperationEffect
Help a War Leader reduce construction and research costs, and receive a cooperation reward.
Free TeleportEffect
Accumulate free Advanced Teleport uses.
Trade DiscountEffect
Pay less for eligible Trade Post purchases.
Truck ExpansionEffect
Increase basic-resource cargo on your trucks.
Helping HandEffect
Receive additional alliance helps.
Ruins ExpertEffect
Raise the entry-deposit ceiling for Ruins Treasure.
Speedup BoxEffect
Claim random speed-up items.
Emergency CapacityEffect
Expand Emergency Center capacity.
Summon MummiesEffect
Summon a marching mummy attacker against an unshielded enemy.
Willing HelperEffect
Helping allies grants extra spendable contribution, subject to a daily allowance; ranking credit is separate.
Enhance Siege BannerEffect
Add march and rally speed to the upgraded Siege Banner.
Buddy FortifyEffect
Add Fortified Durability to an ally’s wall, within charge and daily target limits.
Cooperative Construction IIEffect
Improve the construction-speed bonus of Cooperative Construction.
Cooperative Research IIEffect
Improve the research-speed bonus of Cooperative Research.
Invasion AttackEffect
Improve Hero Attack while your base is on enemy-faction territory.
One More TimeEffect
An active skill can avoid its cooldown, subject to a per-skill daily limit.
BlastEffect
Enter War Fever and detonate your base after a countdown to damage nearby bases’ durability.
Invasion DefenseEffect
Improve Hero Defense while your base is on enemy-faction territory.
