Idle Heroes:Odyssey ver0.8.21version Updata

1.Tavern unlock hero ; 2.Alex is adjusted to : Inflicts 50% additional damage to enemies with guardian value; 3.The skill of Eagle's is adjusted to: Give all teammates aid points; 4.Merchant item price adjustment: more dragon crystals can be obtained by selling mineral resources, and dragon crystals obtained by selling flame resources can be reduced; 5.Fix the attribute effect error of the treasure ; 6.Fixed some text display errors;