Although I haven't checked all the skills, it doesn't seem to have anything deadly.
The only thing is, there's a stone with an unknown effect.
Topaz - Ray of Light (magic 10), cooldown: 6; Explosion (magic 10), cooldown: 4; Fire Spear (magic 10), cooldown: 4; Fire damage does not harm the character; instead, it heals him. Immune to cold and water.