NPCs composing that spawngroup :

a_council_overseer (100%)

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

shardslanding116404, range=91 (-647,2124,-401)

shardslanding116437, range=46 (-703,2122,-401)

shardslanding116445, range=53 (-722,2212,-401)

shardslanding116550, range=84 (-705,2078,-401)

shardslanding116647, range=88 (-683,2232,-401)

shardslanding116653, range=11 (-728,2148,-401)