Dr. Sheya vs Cho'gall 10 Normal
Glyphs: Healthstone, Soul Shard, Siphon Life
Talents: Dark Regeneration, Mortal Coil, Sacrificial Pact, Unbound Will, Grimoire of Supremacy, Kil'jaeden's Cunning
Watch the video and you will find out how to deal with Conversion. ;)