Underdark Enounters

Carrion Crawler - 37 - CR 2
Gas Spore - 138 - CR 1/2
Shrieker - 138 - CR 0
Violet Fungus - 138 - CR 1/4
Hook Horror - 189 - CR 3
Kuo-Toa 199 - CR 1/4
Kuo-Toa Whip - 200 - CR 1
Kuo-Toa Monitor - 198/200 (Whip vvariant abilities on 198)
Myconid Sprout - 230 - CR 0
Quaggoth Spore Servant - 230- CR 1
Myconid Adult - 232 - CR 1/2
Myconid Sovereign - 232- CR 2
Nothic - 236 - CR 2
Piercer - 252 - CR 1/2
Quaggoth - 256 - CR 2
Umber Hulk - 292 - CR 5
Bat - 318 - CR 0
Giant Bat - 323 - CR 1/4
Giant Spider - 328 - CR 1
Swarm of Insects 338 - CR 1/2
Roper 261 - CR 5
Darkling Scouting Party
Dead Adventuring Party

Ghost of Town Guard reliving his final moments
Banshee
Rust Monster