You see a Gnomish Explorer.
Abilities
Unknown.
Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire
Energy
Earth
Drown
Location
Grotto of the Lost, at the Too Hot to Handle Gnomish Explorer mission.
Behaviour
Follows the players around without attacking.
Strategy
Protect the Explorer from the Hungry Menace and help him gatter the scientific data he needs.