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Fiendish Codex I
Temptation (Su): If a creature utters the name "Pazazu" three times in succession, an unholy link between the speaker and Pazazu is immediately established...
...Once he arrives, Pazazu asks the speaker why he called upon the Prince of the Lower Aerial Kingdoms. Pazazu almost always agrees to provide aid, but if he does, the caller's alignment shifts one step closer to chaotic. If the caller's alignment is already chaotic, it instead shifts one step closer to evil. These shifts in alignment are considered voluntary. Pazazu never provides aid to chaotic evil creatures and often punishes them for calling upon his aid rather than using the tools he has likely already granted the creature in question.