Selene's innate spellcasting ability is Charisma but shares your spell save DC and spell attack bonus. It can innately cast the following spells, requiring no material components
Unarmed. Melee Weapon Attack: your spell attack modifier to hit, Reach 5ft., one target. Hit: 1 bludgeoning damage.
Fey Bolt. Ranged Magical Attack: your spell attack modifier to hit, Reach 30ft., one target. Hit: 8 (1d4+3+PB) radiant damage.
Fey Lance (Recharge 5 or 6). Ranged Magical Attack: your spell attack modifier to hit, Reach 30ft., one target. Hit: 13 (1d10+3+PB) radiant damage.