Research

Squad 4

Requires: Research Lab Lv.8

DevelopmentEconomyHeroSoldierFull DevelopmentProsperous EconomySquad 1Squad 2Squad 4Alliance DuelCaravan TransportElite TroopSquad 3Offensive TacticsDefensive TacticsWarrior MasteryRanger MasteryWarlock Mastery
Blight Slayer IVMax level 5 · +5%Boost RES 4Max level 5 · +5%Assault Drill IVMax level 5 · +5%Load Training IVMax level 5 · +5%Survival Drill IVMax level 5 · +5%Resource Gathering IVMax level 5 · +20%Heavy Duty 4Max level 5 · +15%Bounty Hunter IVMax level 5 · +10%Decapitation Tactics IVMax level 5 · +10%Gathering March IVMax level 5 · +50%Lightning March IVMax level 5 · +5%Rapid Assault IVMax level 5 · +5%Counterattack IVMax level 5 · +5%High Alert IVMax level 5 · +5%Defensive Stance IVMax level 5 · +5%Bloody Battle IVMax level 5 · +5%Burn the Boats IVMax level 5 · +5%Physical DMG Mastery IVMax level 5 · +5%Energy DMG Mastery IVMax level 5 · +5%Critical Strike IVMax level 5 · +5%

Blight Slayer IV

Squad 4 DMG to Monsters↑ · at max level: +5%

Lv.BonusCostTimeRequiresPower
1+1%46.1K Grain · 46.1K Timber · 135K Herb00:41:00Research Lab Lv.8620
2+2%71.9K Grain · 71.9K Timber · 217K Herb00:53:00Research Lab Lv.91,420
3+3%115K Grain · 115K Timber · 346K Herb01:08:00Research Lab Lv.102,410
4+4%138K Grain · 138K Timber · 418K Herb01:43:00Research Lab Lv.113,410
5+5%345K Grain · 345K Timber · 1M Herb02:34:30Research Lab Lv.125,020

Boost RES 4

Squad 4 Hero DMG Taken from Monsters↓ · at max level: +5%

Lv.BonusCostTimeRequiresPower
1+1%46.1K Grain · 46.1K Timber · 139K Herb00:41:00Research Lab Lv.8620
2+2%73.5K Grain · 73.5K Timber · 216K Herb00:53:00Research Lab Lv.91,420
3+3%116K Grain · 116K Timber · 350K Herb01:08:00Research Lab Lv.102,410
4+4%139K Grain · 139K Timber · 419K Herb01:43:00Research Lab Lv.113,410
5+5%354K Grain · 354K Timber · 1M Herb02:34:30Research Lab Lv.125,010

Assault Drill IV

Increases Squad 4 Hero ATK · at max level: +5%

After: Blight Slayer IV

Lv.BonusCostTimeRequiresPower
1+1%73.1K Grain · 73.1K Timber · 222K Herb00:53:00Research Lab Lv.9, Blight Slayer IV Lv.2820
2+2%118K Grain · 118K Timber · 348K Herb01:08:00Research Lab Lv.101,810
3+3%138K Grain · 138K Timber · 423K Herb01:42:00Research Lab Lv.112,810
4+4%354K Grain · 354K Timber · 1.1M Herb02:34:30Research Lab Lv.124,420
5+5%593K Grain · 593K Timber · 1.8M Herb03:51:40Research Lab Lv.136,510

Load Training IV

Increases Squad 4 Hero DEF · at max level: +5%

After: Boost RES 4

Lv.BonusCostTimeRequiresPower
1+1%73.2K Grain · 73.2K Timber · 220K Herb00:53:00Research Lab Lv.9, Boost RES 4 Lv.2810
2+2%118K Grain · 118K Timber · 349K Herb01:08:00Research Lab Lv.101,810
3+3%138K Grain · 138K Timber · 426K Herb01:42:00Research Lab Lv.112,820
4+4%346K Grain · 346K Timber · 1M Herb02:34:30Research Lab Lv.124,420
5+5%588K Grain · 588K Timber · 1.8M Herb03:51:40Research Lab Lv.136,510

Survival Drill IV

Increases Squad 4 Hero HP · at max level: +5%

After: Assault Drill IV, Load Training IV

Lv.BonusCostTimeRequiresPower
1+1%72.3K Grain · 72.3K Timber · 219K Herb00:53:00Research Lab Lv.9, Assault Drill IV Lv.1, Load Training IV Lv.1820
2+2%116K Grain · 116K Timber · 356K Herb01:08:00Research Lab Lv.101,820
3+3%141K Grain · 141K Timber · 417K Herb01:42:00Research Lab Lv.112,820
4+4%352K Grain · 352K Timber · 1M Herb02:34:30Research Lab Lv.124,420
5+5%587K Grain · 587K Timber · 1.8M Herb03:51:40Research Lab Lv.136,520

Resource Gathering IV

Increases Squad 4 Gathering Speed · at max level: +20%

After: Survival Drill IV

Lv.BonusCostTimeRequiresPower
1+4%117K Grain · 117K Timber · 345K Herb01:08:00Research Lab Lv.10, Survival Drill IV Lv.21,020
2+8%139K Grain · 139K Timber · 428K Herb01:42:00Research Lab Lv.112,020
3+12%347K Grain · 347K Timber · 1.1M Herb02:33:00Research Lab Lv.123,610
4+16%596K Grain · 596K Timber · 1.8M Herb03:51:40Research Lab Lv.135,710
5+20%654K Grain · 654K Timber · 2M Herb07:20:00Research Lab Lv.147,920

Heavy Duty 4

Squad 4 Load↑ · at max level: +15%

After: Survival Drill IV

Lv.BonusCostTimeRequiresPower
1+3%115K Grain · 115K Timber · 347K Herb01:08:00Research Lab Lv.10, Survival Drill IV Lv.21,010
2+6%138K Grain · 138K Timber · 417K Herb01:42:00Research Lab Lv.112,010
3+9%346K Grain · 346K Timber · 1M Herb02:33:00Research Lab Lv.123,620
4+12%583K Grain · 583K Timber · 1.8M Herb03:51:40Research Lab Lv.135,720
5+15%648K Grain · 648K Timber · 1.9M Herb07:20:00Research Lab Lv.147,920

Bounty Hunter IV

Squad 4 March Speed to Monsters↑ · at max level: +10%

After: Resource Gathering IV, Heavy Duty 4

Lv.BonusCostTimeRequiresPower
1+2%142K Grain · 142K Timber · 422K Herb01:42:00Research Lab Lv.11, Resource Gathering IV Lv.2, Heavy Duty 4 Lv.21,020
2+4%349K Grain · 349K Timber · 1.1M Herb02:33:00Research Lab Lv.122,610
3+6%587K Grain · 587K Timber · 1.8M Herb03:48:20Research Lab Lv.134,720
4+8%662K Grain · 662K Timber · 2M Herb07:20:00Research Lab Lv.146,920
5+10%922K Grain · 922K Timber · 2.7M Herb14:38:20Research Lab Lv.159,520

Decapitation Tactics IV

Squad 4 March Speed to Doctors↑ · at max level: +10%

After: Resource Gathering IV, Heavy Duty 4

Lv.BonusCostTimeRequiresPower
1+2%142K Grain · 142K Timber · 428K Herb01:42:00Research Lab Lv.11, Resource Gathering IV Lv.2, Heavy Duty 4 Lv.21,010
2+4%347K Grain · 347K Timber · 1M Herb02:33:00Research Lab Lv.122,620
3+6%595K Grain · 595K Timber · 1.8M Herb03:48:20Research Lab Lv.134,710
4+8%657K Grain · 657K Timber · 2M Herb07:20:00Research Lab Lv.146,920
5+10%919K Grain · 919K Timber · 2.7M Herb14:38:20Research Lab Lv.159,510

Gathering March IV

Squad 4 March Speed to Resource Spots↑ · at max level: +50%

After: Resource Gathering IV, Heavy Duty 4

Lv.BonusCostTimeRequiresPower
1+10%138K Grain · 138K Timber · 413K Herb01:42:00Research Lab Lv.11, Resource Gathering IV Lv.2, Heavy Duty 4 Lv.21,020
2+20%350K Grain · 350K Timber · 1.1M Herb02:33:00Research Lab Lv.122,610
3+30%604K Grain · 604K Timber · 1.8M Herb03:48:20Research Lab Lv.134,720
4+40%666K Grain · 666K Timber · 1.9M Herb07:20:00Research Lab Lv.146,910
5+50%932K Grain · 932K Timber · 2.8M Herb14:38:20Research Lab Lv.159,520

Lightning March IV

Squad 4 March Speed↑ · at max level: +5%

After: Bounty Hunter IV, Decapitation Tactics IV, Gathering March IV

Lv.BonusCostTimeRequiresPower
1+1%142K Grain · 142K Timber · 419K Herb01:42:00Research Lab Lv.11, Bounty Hunter IV Lv.1, Decapitation Tactics IV Lv.1, Gathering March IV Lv.11,010
2+2%353K Grain · 353K Timber · 1M Herb02:33:00Research Lab Lv.122,610
3+3%601K Grain · 601K Timber · 1.8M Herb03:48:20Research Lab Lv.134,720
4+4%645K Grain · 645K Timber · 2M Herb07:20:00Research Lab Lv.146,910
5+5%899K Grain · 899K Timber · 2.7M Herb14:38:20Research Lab Lv.159,510

Rapid Assault IV

Hero ATK↑ when Squad 4 attacks a city · at max level: +5%

After: Lightning March IV

Lv.BonusCostTimeRequiresPower
1+1%345K Grain · 345K Timber · 1.1M Herb02:33:00Research Lab Lv.12, Lightning March IV Lv.21,610
2+2%586K Grain · 586K Timber · 1.8M Herb03:48:20Research Lab Lv.133,710
3+3%655K Grain · 655K Timber · 2M Herb07:15:00Research Lab Lv.145,920
4+4%923K Grain · 923K Timber · 2.8M Herb14:38:20Research Lab Lv.158,520
5+5%1.3M Grain · 1.3M Timber · 3.9M Herb1d 03:48:20Research Lab Lv.1611,510

Counterattack IV

Hero ATK↑ when Squad 4 defends a city · at max level: +5%

After: Lightning March IV

Lv.BonusCostTimeRequiresPower
1+1%350K Grain · 350K Timber · 1.1M Herb02:33:00Research Lab Lv.12, Lightning March IV Lv.21,610
2+2%584K Grain · 584K Timber · 1.8M Herb03:48:20Research Lab Lv.133,720
3+3%665K Grain · 665K Timber · 2M Herb07:15:00Research Lab Lv.145,920
4+4%918K Grain · 918K Timber · 2.8M Herb14:38:20Research Lab Lv.158,520
5+5%1.3M Grain · 1.3M Timber · 3.9M Herb1d 03:48:20Research Lab Lv.1611,520

High Alert IV

Hero DEF↑ when Squad 4 attacks a city · at max level: +5%

After: Rapid Assault IV

Lv.BonusCostTimeRequiresPower
1+1%343K Grain · 343K Timber · 1M Herb02:33:00Research Lab Lv.12, Rapid Assault IV Lv.11,610
2+2%602K Grain · 602K Timber · 1.8M Herb03:48:20Research Lab Lv.133,710
3+3%651K Grain · 651K Timber · 1.9M Herb07:15:00Research Lab Lv.145,920
4+4%932K Grain · 932K Timber · 2.8M Herb14:38:20Research Lab Lv.158,520
5+5%1.3M Grain · 1.3M Timber · 3.8M Herb1d 03:48:20Research Lab Lv.1611,510

Defensive Stance IV

Hero DEF↑ when Squad 4 defends a city · at max level: +5%

After: Counterattack IV

Lv.BonusCostTimeRequiresPower
1+1%344K Grain · 344K Timber · 1M Herb02:33:00Research Lab Lv.12, Counterattack IV Lv.11,610
2+2%588K Grain · 588K Timber · 1.8M Herb03:48:20Research Lab Lv.133,720
3+3%655K Grain · 655K Timber · 1.9M Herb07:15:00Research Lab Lv.145,910
4+4%917K Grain · 917K Timber · 2.7M Herb14:38:20Research Lab Lv.158,520
5+5%1.3M Grain · 1.3M Timber · 3.9M Herb1d 03:48:20Research Lab Lv.1611,520

Bloody Battle IV

Hero HP↑ when Squad 4 attacks a city · at max level: +5%

After: High Alert IV

Lv.BonusCostTimeRequiresPower
1+1%350K Grain · 350K Timber · 1.1M Herb02:33:00Research Lab Lv.12, High Alert IV Lv.11,620
2+2%605K Grain · 605K Timber · 1.8M Herb03:48:20Research Lab Lv.133,720
3+3%663K Grain · 663K Timber · 1.9M Herb07:15:00Research Lab Lv.145,910
4+4%909K Grain · 909K Timber · 2.8M Herb14:38:20Research Lab Lv.158,520
5+5%1.3M Grain · 1.3M Timber · 3.8M Herb1d 03:48:20Research Lab Lv.1611,520

Burn the Boats IV

Hero HP↑ when Squad 4 defends a city · at max level: +5%

After: Defensive Stance IV

Lv.BonusCostTimeRequiresPower
1+1%357K Grain · 357K Timber · 1M Herb02:33:00Research Lab Lv.12, Defensive Stance IV Lv.11,620
2+2%598K Grain · 598K Timber · 1.8M Herb03:48:20Research Lab Lv.133,710
3+3%648K Grain · 648K Timber · 2M Herb07:15:00Research Lab Lv.145,910
4+4%899K Grain · 899K Timber · 2.8M Herb14:38:20Research Lab Lv.158,530
5+5%1.3M Grain · 1.3M Timber · 3.8M Herb1d 03:48:20Research Lab Lv.1611,510

Physical DMG Mastery IV

Squad 4 Hero Physical DMG↑ · at max level: +5%

After: Bloody Battle IV, Burn the Boats IV

Lv.BonusCostTimeRequiresPower
1+1%603K Grain · 603K Timber · 1.8M Herb03:48:20Research Lab Lv.13, Bloody Battle IV Lv.2, Burn the Boats IV Lv.22,110
2+2%664K Grain · 664K Timber · 1.9M Herb07:15:00Research Lab Lv.144,320
3+3%922K Grain · 922K Timber · 2.7M Herb14:30:00Research Lab Lv.156,910
4+4%1.3M Grain · 1.3M Timber · 3.9M Herb1d 03:48:20Research Lab Lv.169,910
5+5%2.3M Grain · 2.3M Timber · 6.9M Herb2d 02:00:00Research Lab Lv.1713,910

Energy DMG Mastery IV

Squad 4 Hero Energy DMG↑ · at max level: +5%

After: Physical DMG Mastery IV

Lv.BonusCostTimeRequiresPower
1+1%591K Grain · 591K Timber · 1.8M Herb03:48:20Research Lab Lv.13, Physical DMG Mastery IV Lv.22,120
2+2%662K Grain · 662K Timber · 1.9M Herb07:15:00Research Lab Lv.144,310
3+3%927K Grain · 927K Timber · 2.8M Herb14:30:00Research Lab Lv.156,920
4+4%1.3M Grain · 1.3M Timber · 3.9M Herb1d 03:48:20Research Lab Lv.169,910
5+5%2.3M Grain · 2.3M Timber · 6.8M Herb2d 02:00:00Research Lab Lv.1713,910

Critical Strike IV

Squad hero increases enemy troop Death Rate in PVP combat. · at max level: +5%

After: Energy DMG Mastery IV

Lv.BonusCostTimeRequiresPower
1+1%644K Grain · 644K Timber · 1.9M Herb07:15:00Research Lab Lv.14, Energy DMG Mastery IV Lv.22,210
2+2%914K Grain · 914K Timber · 2.8M Herb14:30:00Research Lab Lv.154,810
3+3%1.3M Grain · 1.3M Timber · 3.8M Herb1d 03:31:40Research Lab Lv.167,810
4+4%2.3M Grain · 2.3M Timber · 6.8M Herb2d 02:00:00Research Lab Lv.1711,810
5+5%3M Grain · 3M Timber · 8.9M Herb3d 13:00:00Research Lab Lv.1816,420