[ That gets a laugh out of her. ] It's just one of the optional bonds, Kaeya. It's just the type we have the most control over in how it affects us. I know 'adoption' makes it sound... familial, and it's often used that way, but it doesn't have to be.

The adoption bonds I have come with an item that lets me find the other and get comfort when I'm holding said item. It's pretty fucking handy and not nearly as invasive as, say, those random soulmate bonds or the pacts.