How many damage is +damage in hero cotto and oswald's happiness bonus?

[Clugan]

Somebody explain?

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[GucciBang]

mn, nunca falaram n, mas o dmg add dele é buffar o elixir de dmg q tu ta usando tlgd, ele stacka

[Clugan]

mn, nunca falaram n, mas o dmg add dele é buffar o elixir de dmg q tu ta usando tlgd, ele stackaEh que la diz que max dmg no oswald eh 30 e depende do nivel, mas qual sera o damage no nivel 1 ent ..

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[Alexios]

Hero Cottonkill max is 23 damage and Hero Oswald's max is 30 damage.
This is how it is calculated for any gear or pet: damage x bonus damage%/100.
So if you have say 500% bonus damage and equip hero oswald you will get: 30x500/100 = 150 damage.