Apex

If a character with a Psychoscope attempts to scan the Apex ,their hitpoints are reduced to one, their Psi Pool gets reduced to 0 and they become Frightened 

Spawn Tendrils: As an action, the Apex may spawn 4 Apex Tendrils, originating from the Apex's chest refer to their character sheet. The apex may spawn 2 as a free action and 2 as a bonus action, totaling no more than 8 tendrils per round. Tendrils may spawn in an area wherein one was before, or an entirely new area. If an object obstructs the Apex Tendril,  that object is immediately destroyed. 

Regenerate: The Apex may use an action to immediately heal 10 hitpoints. 

The Apex gets 4 legendary actions per round.

Terrify: As a free action, the Apex selects a creature within eyesight that the Apex is aware of, and that creature must make a Wisdom Saving Throw (DC 20) or be Terrified for one minute. A Terrified creature must use all of their actions and movements to dash directly away from the source of their fear. A Terrified creature may make the Wisdom Saving Throw at the end of each of their turns. (Consumes one legendary action)

Spawn Tendrils: As a free action, the Apex may spawn 4 Apex Tendrils, originating from the Apex's chest refer to their character sheet. Tendrils may spawn in an area wherein one was before, or an entirely new area. If an object obstructs the Apex Tendril,  that object is immediately destroyed. (2 legendary actions)