It can't be looted and its corpse cannot be moved. It respawns where its corpse is, WHEREVER that may be there are reports of it somehow getting out of its teleport and staying outside, Mages at level 200 or more can solo it. Also its suggested to wear Dwarven ring
Sorcerers and Druids: Use Helmet of the Deep to stop the drowning attacks, a Glacier Set will reduce Ice Damage, but this is not necessary. You will need to heal after each hit as the Teneshpar has various strong attacks, and using mana shield is reccomendable. Heal the blocker and throw all the fire, ice, energy and earth spells you have at it. Although mages are preferred for killing this boss, paladins can also be helpful shooting flash arrows and exori san.