Indrik has ever-present anger, but upon seeing Reira it's less explosive and more gently bubbling. She's small. He may attack, but he also protect.

Struggling forward a bit to fit more of himself through the bench so he can give her a proper sniff, the snorting from his snout warmer than it should be, he eventually concludes-

"Meep." Yes. This one is allowed to share the same planet as him. Not only is she a small non-threat, but add Rex's decision she needs to be cared for and her own unique relationship with spirits... she's okay! It's a meep of acceptance.