NPCs composing that spawngroup :

CWG_Model_MB (75%)

lava_elemental (25%)

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

soldunga_100, range=78 (-65,-934,53)

soldunga_103, range=23 (-113,-969,48)

soldunga_104, range=51 (-112,-923,48)

soldunga_105, range=5 (-137,-973,48)

soldunga_106, range=46 (-139,-922,48)

soldunga_107, range=69 (-204,-954,48)

soldunga_108, range=67 (-142,-901,52)

soldunga_110, range=76 (-173,-901,51)

gnomish_miner (50%)
gnomish_miner (50%)

soldunga_113, range=93 (-226,-941,48)

CWG_Model_MA (50%)
CWG_Model_MA (50%)

soldunga_129, range=53 (-178,-935,53)

soldunga_130, range=47 (-164,-930,53)

soldunga_131, range=44 (-160,-1006,53)

soldunga_132, range=53 (-171,-1008,53)

CWG_Model_XA (50%)
CWG_Model_XA (50%)

soldunga_133, range=47 (-144,-1015,53)

gnomish_miner (50%)
gnomish_miner (50%)

soldunga_134, range=55 (-187,-989,53)

gnomish_conjurer (50%)
gnomish_miner (50%)

soldunga_135, range=80 (-61,-997,53)

soldunga_136, range=62 (-78,-990,53)

soldunga_137, range=67 (-72,-948,53)

CWG_Model_MA (100%)