NPCs composing that spawngroup :

a_darkwater_piranha (5%)

a_large_piranha (95%)

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

Nek1_GuardQuetal2, range=61 (-1028,-49,-8)

Guard_T`Quetal (50%)
Guard_V`Lex (50%)

Nek1_GuardVlex, range=65 (-1086,-16,-8)

Guard_V`Lex (100%)

Nek1_GuardQuetal1, range=97 (-1086,-66,-8)

Guard_T`Quetal (100%)

Nek3_BridgeGuards, range=20 (-1047,7,2)