Heroin

He cheated.

Tolk just saw this thread! What a clown, you amused me with Heroes, it's clear that out of 8 games he hasn't won a single one and he's starting to not like it). Back then, for some reason, they dragged maphack into it. But on HeroesWorld I've noticed it's often brought up.
P.S. For myself, I'll say I never used a maphack. I don't use one now, and I don't recommend it to anyone.