Infrared vision

How can an invincibility user see if they go invincible?

@Dsfsdfsdfsdfs You mean Invisible, right? Invincible is a different power entirely

Doctor Doom reveling magic

Fire extinguisher

Milk, because if minecraft taught me one thing. Milk is the solution to effects

As everyone said above and you can splash the area with any type of liquid to see were it sticks.

I mean for you to be invisible you need to redirect every photon however, redirecting every photon means that you are blind

Power Negation