NPCs composing that spawngroup :

a_Captured_Netherbian (20%)

NPCs spawning around that spawngroup :
(Max range : 100)

sseru1272610, range=78 (-1695,195,-69)

sseru1272440, range=78 (-1695,196,-69)

sseru1272094, range=42 (-1711,230,-69)

sseru1272093, range=57 (-1658,280,-69)