Per-culture subcity buffs, values Common/Uncommon/Excellent/Legendary/Epic. Europe: Main City Construction Speed +3/6/9/12/15%; General EXP from Monster Kill +2/4/6/8/10%. China: Main City Resource Production Speed +4/8/12/16/20%; Training Speed +2/4/6/8/10%. Japan: Main City Attacking (marching) Troop Attack +2/4/6/8/10%; Research Factory Material Production Speed +1/2/3/4/5%. Korea: Main City Warehouse Capacity +6/12/18/24/30%; Extra Resources from Gathering +3/6/9/12/15%. America: Current Subcity Gold Production Speed +10/20/30/40/50%; Research Speed +3/6/9/12/15%. Russia: In-City (defending) Troop Attack +2/4/6/8/10%; Trap Attack +3/6/9/12/15%. Arabia: Hospital Capacity +3/6/9/12/15%; Healing Speed +2/4/6/8/10%. Common (any culture): Training Speed in this subcity +2/5/10/15/20% (requires mayor = a historic general); Death-into-Survival Rate in this subcity +2/4/6/8/10% (requires mayor Leadership & Politics >=900). Buffs STACK across same-culture cities: 8 Russia Epic = +80% in-city troop attack. For battle, Japan (marching attack = offense) vs Russia (in-city attack = defense) - pick per role.
Original research source: Evony Guide Wiki
