Valve responded to complaints and brought back the removed hero in Dota 2

Valve has responded to player complaints and fixed the infinite experience bug for Warlock, returning the character to Dota 2 matchmaking.

The developers brought the character back along with the release of a small fix. It fixed a bug with Black Grimoire that allowed Warlock to level 30 in just 10 minutes. Many users complained about this bug, because it completely broke the balance in Dota 2 matchmaking.

However, Mark “sikle” Lerman, Team Spirit analyst, Valve never fixed another bug with Black Grimoire, because the book is 50 units of experience less than it should be.

Recall that earlier on Reddit asking Valve to reward Aegis AndreyIMMERSION because of his record in Dota 2.