Fix ossirian

[Gamerlord-firemaw]

one of the only bosses in the game u actually have to do something on is completely destroyed by a simple exploit by reseting the boss

[Maiscarpwny-outland]

exploit early; exploit often! -Blizzard-

[Andruid-azuremyst]

@Maiscarpwny-outland

exploit early; exploit often! -Blizzard-

“Clever use of game mechanics”