Hi, I recently started playing this on the switch with my kid, after hundreds of hours on the PC version I have hit a wall with killing Belial T4 for the final 2 piece necro set… Embarrassing I know, I do great until the final part where the green explosions litter the floor and 1-shot me. I’d be eternally grateful if you could spare 5 minutes to help me smash him quick. 
Thanks my switch code is SW-1143-3058-1341