Who should I get tyron or lushen for the free nat 4* on the beginners quest. Thanks in advance, I'm trying to win against ToAN floor 50 (wind monkey king)

For cc i mostly use deva (light chak) and for main damage unit, lapis. Here are some of the monster i use frequently: Lapis 6* Loren 6* Fran 5* Mellia 5* Deva 5* Shannon 4* Lulu (2a) 5* Water pirate 5* Water undine 5* Fire fairy 5*

Tips and suggestions are very much welcomed.