Careful? Where's the fun in that?
I can't even rate Incineroar because I have no idea what it's capable of doing... it's not like it beat Incineroar on its own anyway. You can argue how much damage Lycanroc and Melmetal ended up doing, but the fact of the matter is they played a role too. Lycanroc actually forced Kakui to switch his Incineroar out.