Aircraft Synergy - Damage I

In battles, all Aircraft Heroes deal increased DMG for each deployed Aircraft Hero

Max level: 5

Research levels

Aircraft Synergy - Damage I research levels
Level	Power	Food	Iron	Coin	Valor Badge	Base research time	Requirements
1	12,400	21,693,100	21,693,100	65,079,300	1,500	16 days 1 hr 39 min	Either Tech Center at level 301st Tech Center · 2nd Tech Center Aircraft Synergy - ATK I · Lv. 2 Aircraft Synergy - DEF I · Lv. 2 Aircraft Synergy - HP I · Lv. 2
2	27,000	30,370,400	30,370,400	91,111,100	1,690	19 days 6 hr 47 min	Either Tech Center at level 301st Tech Center · 2nd Tech Center Aircraft Synergy - ATK I · Lv. 4 Aircraft Synergy - DEF I · Lv. 4 Aircraft Synergy - HP I · Lv. 4
3	43,700	39,481,500	39,481,500	118,444,400	1,880	23 days 3 hr 20 min	Either Tech Center at level 301st Tech Center · 2nd Tech Center Aircraft Synergy - ATK I · Lv. 6 Aircraft Synergy - DEF I · Lv. 6 Aircraft Synergy - HP I · Lv. 6
4	63,400	55,274,100	55,274,100	165,822,200	2,070	27 days 18 hr 24 min	Either Tech Center at level 301st Tech Center · 2nd Tech Center Aircraft Synergy - ATK I · Lv. 8 Aircraft Synergy - DEF I · Lv. 8 Aircraft Synergy - HP I · Lv. 8
5	86,700	77,383,700	77,383,700	232,151,000	2,250	33 days 7 hr 41 min	Either Tech Center at level 301st Tech Center · 2nd Tech Center Aircraft Synergy - ATK I · Lv. 10 Aircraft Synergy - DEF I · Lv. 10 Aircraft Synergy - HP I · Lv. 10