A Primal Companion gains the following features:
The Primal Companion becomes fae, if it isn't already.
If your Primal Companion died within the last hour, you can take the Magic action and expend one use of your Channel Nature feature to cast revivify spell targeting it, without providing a spell slot or spell components, and without ending the attunement to it.
The Primal Companion is considered tamed by you and the condition can't be removed in any way.
The Primal Companion shares telepathy with you.
The Primal Companion adds your proficiency bonus to its AC.
The Primal Companion's proficiency bonus is now equal to yours.
The Primal Companion's hit point maximum is now 5 × your character level, and it has a number of hit dice (d8) equal to your class level.