You can only destroy the enemy fountain of life with "whosyourdaddy" cheat. Otherwise it's impossible unless you have 5 maxed out heroes with hardcore items like Divine Rapiers and Satanics, etc.
Chat with our AI personalities
Because DOTA made my life meaningful...
you have to turn off the game and then get a life
You shoot him with starfish and kill the shadow fish.
Try using Lapras' Perish song
He has Divine armor so he can take damage only from Chaos type attacks. a weapon with a Chaos attack to beat him is the master sword and shield