bentorero
#1
What are the must-have Transform skills for a PVE wynn?
Sphryx
#2
As many as you can.
But those ones are fine:
Onyx Beast, Doom Wraith, Grail Apostle, Unicorn, Lilim Knight, Golem Guardian, Inferno Drake, Dragon Bomber.
Also, you can have Zaken (transformation), this one is the best besides Naviarope imo.