Lol, I came here after I failed twice.
God knows how, I was spraying the open mouth with the Triblaster thing. No idea how I didn't hit that last petal. Then agian, didn't use Y so wasn't aiming for it, just sprayed into the mouth lol.
369 completed games & apps to 100%
91.47% completion percentage
Last 100% Completion : Batman Arkham Knight (1000g) (Xbox One)