Soul Stalker

Description
Soul Stalker is the last of the twelve Legendary creatures, residing in Group 4.

It is unlocked after solving all of the Tier 22 Feats. It spawns by merging two level 2 Soul Grinders.

Soul Stalker gives a 25% bonus to Soul Grinder speed.

It gives a 40% Time Shard bonus. Having a Robo Chicken, Shield Bot, and Soul Stalker provides a 80% Time Shard bonus. Subsequent Soul Stalkers each give an additional 20% Time Shard bonus.

Trivia

 * The total cost to summon a Soul Stalker is 800 Death Runes and 800 Cosmic Runes.