Boon of the Shadow (5e Epic Boon)
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Boon of the Shadow
Prerequisite: Only available to animal companions
With this boon, the animal companion can use a bonus action to enter it's master's shadow. The shadow acts as a pocket dimension for the companion. Within the shadow, it can see and hear everything within 30 feet of its master. The master or the companion can use a bonus action to release the companion from the shadow. Within the shadow, the animal companion does not require food, water, or air.
The companion and its master can telepathically communicate.