Inkbot
Could have multiple rings be part of a higher ranked ring like dragonic affinity/fire resistance or fire magic affinity/dragon dreams be apart of targaryean dragon lord and absorbing physically changes him like giving him silver hair refining/changing his appearence and the same with warging/greenseeing/dire wolf affinity could be part of Stark kings of winter and as he copy's and absorbes/wears different rings they can fuse and upgrade if they are compatible and bring new physical changes