NPCs composing that spawngroup :

Bubonian_War_Rat (100%)

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

codecay2000062, range=27 (322,344,-69)

Death_Knight (100%)

codecay2000063, range=51 (321,280,-69)

Bubonian_Mystic (50%)
Bubonian_Mystic (50%)

codecay2000064, range=61 (247,296,-69)

codecay2000065, range=53 (247,325,-69)

Corrupted_Knight (100%)

codecay2000066, range=82 (225,292,-69)

Bubonian_Mystic (100%)
Bubonian_Mystic (100%)

codecay2000067, range=75 (225,326,-67)

Death_Knight (50%)
Elite_Death_Knight (50%)

codecay2000076, range=93 (390,354,-40)

Bubonian_Mystic (50%)
Bubonian_War_Rat (50%)

codecay2000079, range=91 (246,401,-1)

Bubonian_War_Rat (50%)
Crazed_Bubonian_Berzerker (50%)

codecay2000087, range=74 (258,266,-23)

Bubonian_War_Rat (100%)

codecay_275147, range=51 (310,276,-26)

#mage_trap (100%)