Beatrice

Beatrice (ベアトリス) is a mage of re:zero. She lives in emilias mansion. She is one of the greatest wizards if not the greatest, resides in a room with magic books only to be accessed by portal magic through doors

Background
She is the one who heals subaru after first arc when finally first reincarnation loop is over. Also, she can use all elements of magic especially the Yin. She was traumatized by her past. Hence, she loves to pet emilias spirit cat.

Relationships
☀ Natsuki Subaru - He forms a contract with her to protect him from the Shaman who will kill him within 5 days in the mansion.