Soul Stalker

Soul Stalker: Legendary (Group 4)
Soul Stalker is the last of the twelve Legendary Creatures. It can be created by merging two Level 2 Soul Grinders.

The Soul Stalker can be unlocked after solving all of the Tier 22 Feats.

Bonus: +25% Soul Grinder Speed.

Total costs of getting a single Shield Bot: 800 Death Runes and 800 Cosmic Runes.

When prestiging via the Time Machine, it offers a 40% bonus toward Time Shards. When you have a full group of legendaries from the fourth grouping of stations (Robo Chicken, Shield Bot and Soul Stalker), you are given a 80% bonus to your Time Shard multiplier. Each additional Soul Stalker will add another 20% towards the total score.