The first loot frame, the necromancer, nr.1 source of confusion for new players as to why that enemy I’m shooting is not dying - Nekros!

Release date: 2013-09-13

Passive: A master of death, Nekros regenerates 5 points of Health any time an enemy dies within 10 meters of him. His passive can also heal Companions.
Soul Punch - A blow so powerful, it turns the enemy’s very soul into a deadly projectile, damaging all in its path.
Terrify - Casts fear into the hearts of nearby enemies, causing them to run away in terror.
Desecrate - Forces fallen enemies around you to drop additional loot.
Shadows of the Dead - Summons shadow versions of vanquished enemies to fight alongside you for a short period of time.

Acquisition: Main blueprint can be purchased from the Market. Nekros’ component blueprints can be obtained from defeating Lephantis on Magnacidium, Deimos.