How to get legend pet?

is legend pet can farm in all floors? I want to get legend I think before when ur pet become lvl 100 its become legend but its not, i have a magic fairy its become rare then epic

Legend pets are legend when they drop. Every pet that drops has a small chance to be legend, but that’s pretty rare. You get a guaranteed legend pet when you complete the Kill 200 Enslavers feat.

oh ok thanks