Impale a Skeleton on a bone spike to shield your Minions while the spike remains, reducing the amount of damage taken from Hits. Taking a Hit that deals damage above a certain threshold will cause that Minion's shield to absorb all damage from that Hit, then explode. The bone spike is itself a Minion, and shields itself. If it dies, shields on your other Minions disappear.

Skewer a Skeleton on a bone spike to send nearby Minions into a frenzy as long as the spike remains, making their skills faster and harder hitting. The bone spike is itself a Minion. If it dies, the effect ends immediately.

Skewer a Skeleton on a bone spike, granting you a powerful Spell damage Buff as long as the spike remains. Does not affect your Minions. The bone spike is itself a Minion. If it dies, the effect ends immediately.

Supports Offering Skills. Supported Skills Sacrifice a portion of your life on use, but deal much more damage and have more powerful Buffs in return.

Supports Offering Skills. Supported Skills Sacrifice a portion of your life on use. While Offering spikes from Supported Skills persist, you are periodically granted a Power Charge. When spikes from Supported Skills die, Regenerate a percentage of your maximum Life and Mana per second based on the duration the Offering persisted.

Supports Offering Skills. Supported Skills have increased Buff effect and deal more damage, but will target an additional skeletal Minion when cast. If there is not an additional skeletal Minion to target, no damage or Buff effect will be granted.

Supports Offering Skills, causing Spells that affect an area around you or a target location to also affect the area around Supported Offerings.