Since the glitchy wand at the Keeper's right hand appeared to be an artifact, a high-level one at that, something that couldn't even be made or replicated crafted by a human hand, it wasn't affected by Jeremiah's Null Facet to momentarily stopped the being from using its ability.
What does Cesar even know about an Artifact? Does it also have a grade as well?
He didn't know.
"Void Erasure…!"
Because of all the mysteries and still upcoming mysteries that will not be solved any time soon, they could only accept the blinding void to wash them over its illumination, a guaranteed sure-hit effect that can wiped out all the ability that has been activated.
And those who weren't fast enough either got swallowed whole by the void or gravely grazed by the ability.
Maine was one of those people.
"Ughh!"