"Fire a barrage of summoned barbed teeth."
A spell that throws out a fan of little white bolts. The number range from 2 to 21 depending of your expertise in this skill.

"Create a damage-absorbing bone shell."
Creates a swirling soul-like effect around the necromancer that increases his armor.

"Adds poison to your dagger attacks."
This skill is used on a dagger to imbune it with poison damage, which causes the monster to constantly loose health points.

"Cast on the corpse of a slain monster, it explodes, damaging nearby monsters."
This spell targets a monster corpse which then explodes into a shower of flesh and bone. This results in a shrapnel-like effect which damages all nearby enemies.

"Creates an impassible barrier."
An impassible Wall with tough hit points that should take most enemies a while to break through.

"Turn a corpse into a poison gas bomb."
Similar to Corpse Explosion, except the corpse explodes as a gas bomb. Poisoning the enemy and damaging them from the explosion.

"Summons a deadly spike of bone to impale your enemies."
This skill propels a bone missile which passes through multiple enemies in a line, much like the Sorceress' Lightning skill, except causing physical damage.

"Creates a bone barrer around target."
Surrounds target in a barrior of bone. You're unable to attack through this, so it's mainly useful for delaying a monster, or maybe protecting a friendly player who is in trouble.

"Cast an expanding ring of poison."
Just like any other nova, an attack out in a circular radius, but one that will poison enemies.

"A seeking missile of bone."
A missile attack that finds and tracks a target, much deadlier than it was in Diablo.