Warlock would be great for Sinister in Act 6.2.2. Although, variant 6.3.1 is the same opponent... they are not the same fight. You really need a villain, you would be better off taking a 4* Magneto Red than Warlock.
Void in general is a beast for v6, but warlock covers v1-4.
Comments
Void in general is a beast for v6, but warlock covers v1-4.