Paths around a ledge in the area. Kill all geonids in the room and it will become attackable. Use the circle in the center of the room to get up to the ledge. Be careful of positioning, has a knockback. This is the zone key mob.
Named mob, needed to spawn Life Leech mob. Use the red potion to damage him and the blue one to replenish your power. Cure is required since he attacks with poison and also nulllifies your poison resistance unless you cure the debuff.
After killing all the geonid grapplers around the walls of this room a glowing circle will appear at this location which will bounce you up to an area with the Gem Collector. Instant aggro, be ready.
Some people can jump on the large green crystals and over the wall to proceed. However the conventional method is to kill the Herbalist, then the Life Leech and then this wall collapses after you kill Foreman Smason V next to the shard chest.
Named Mob that spawns after first killing the Herbalist, which spawns the tentacle terrors in the area. After all the tentacle terrors are dead too, the Life Leech spawns. Mob updates the animated crystal for the Looking Deep Within the Crystals quest.