There are about 60 different Dota Underlords hero now. Heroes have at least two different alliances and one skill active/passive.
The Dota Underlords hero is growing up, the creator of Dota Underlords decides to bring all the heroes of dota to the game. Sometime we have few change of the enemy due to the balance of the game.
The hero have been split 5 level, the cost of them is increased from 1 to 5.
Few heroes like Dragon knight, Lycan and Puck have three alliances.