You see an egg.
Notes
Summoned by The Welter. When killed it turns into Poison Gas.
Abilities
Unknown.
Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire
Energy
Earth
Location
When summoned, in Hydra Mountain large spawn, here.
Behaviour
They cannot move.
Strategy
Kill them quickly, or they turn into Spawn of The Welter.