: Monstrosity 1 (If this creature isn't monstrous, put a +1/+1 counter(s) on it and it becomes monstrous.).
As long as Fleecemane Lion is monstrous, it has hexproof (This permanent can't be the target of spells or abilities your opponents control.) and indestructible (Effects that say "destroy" don't destroy that permanent. An indestructible creature can't be destroyed by damage.).