Rakanishu
From Diablo Wiki
Rakanishu is a Super Unique Carver found in the Stony Field next to the Cairn Stones that activate the portal to Tristram during the Search for Cain quest.
Bonuses:
When attacking Rakanishu, melee heroes need to be careful because his Lightning Enchanted status causes several Charged Bolts to radiate out from him. Very quick attacks on Rakanishu will result in an equally quick death if you do not watch yourself carefully, especially on the higher difficulty levels. Rakanishu is the first of the Lightning Enchanted bosses in Diablo II, but they become pretty standard, so lightning resist is a must.
