There are 9 monster(s) found that have the ability to use Envenom:

Monster Mob
Lv.
HP Size / Race / Element Flee 95% /
Hit 100%
Skill
Lv.
Skill
Analysis
Assassin Cross Eremes 99 211230 Medium / Demi-Human / Poison 4 296 / 300 10 Go
Assassin Cross Eremes 99 1411230 Medium / Demi-Human / Poison 4 296 / 300 10 Go
Chung E / Green Maiden 49 23900 Medium / Demi-Human / Neutral 2 214 / 134 10 Go
Chung E / Green Maiden 59 23900 Medium / Demi-Human / Wind 2 224 / 144 10 Go
Eremes / Eremes Guile 87 60199 Medium / Demon / Poison 4 261 / 245 10 Go
Gertie (Re-Stats) 141 266926 Medium / Demon / Poison 4 343 / 248 10 Go
Gig 60 8409 Small / Brute / Fire 2 194 / 141 10 Go
Stalker Gertie (Re-Stats) 160 4057279 Medium / Demon / Poison 4 460 / 361 10 Go
Whikebain / Wickebine Tres 62 7320 Medium / Demi-Human / Poison 3 220 / 184 9 Go