Playing on normal difficulty, I found a sword with frost on it in the Dark Forest, which made the game a cakewalk. I only used it for a short time, but anything I hit (trolls, lizards, etc) stayed frozen until it died, and at best they could get one hit in on me before I hit them.
That's what I'm talking about. Even the Demon of Lies is an easy victory with a 'frosted' Sword of the Gods.
