Only compatible with Entwined Soul.                                                                                                                                                                    You gain the following benefits for both characters.

Dual Mind's Eye: Each character can use reaction to add 1d6 to AC in response to a sneak attack from an enemy. Once used, neither can use this benefit again until you finish a Short Rest or Long Rest. Characters swap when this effect is used.

Mind Shield: Characters have advantage on saving throws to avoid or end the Charmed condition and spells/actions that affect the mind.

Bonded Vitality: Bonus 1d6 per level to hit point max for each character.