New Mutants (1983 Series) #72

Demon Reign. N'astirh and S'ym battle over Magik who has taken on the form of a demon; The New Mutants team up with the X-Terminators to save ten babies that N'astirh is using in an arcane spell to keep his door to Limbo open; S'ym infects N'astirh with the transmode virus; Magik is confronted by N'astirh once more and submits to the temptation of using her Soul Sword against him which transforms her into a silver armored form. Inferno part 2 of 3. Crossover with X-Terminators #4.