6 star rank 2

Sidghh

I recently got enough caTalysts to rank 2 my six star stealthy using 7 teir 4 catalysts but there is max limit of 6 teir 4 catalysts what do I do

Sidghh

This is the same for teir 4 class catalysts too

JollyHawk

Level up.

Sidghh

To what level