As an aasimar, Galen can manifest radiant power for 1 minute as a Bonus Action, once per Long Rest. Using Radiant Soul gives him spectral wings, a flying speed equal to his walking speed, and extra Radiant damage equal to his Proficiency Bonus once on each of his turns when he deals damage with an attack or spell.

Galen releases a mote of controlled arcane fire, dealing 1d10 Fire damage on a hit.

Galen shapes a harmless sensory effect, such as a brief sound, scent, spark, or small mark.

Galen launches a glowing mote of force that automatically hits a creature within range and deals 1d4 plus 1 Force damage.

Galen surrounds himself with a translucent magical barrier, raising his AC to 17 until the start of his next turn.

Galen freezes a humanoid with pale blue sigils, forcing a Wisdom saving throw and potentially paralyzing the target.

Galen creates a 20-foot-radius sphere of flame that burns creatures in the area and can be moved on later turns.

Galen fires a concentrated beam of lightning that deals 4d6 Lightning damage on a hit.

Galen surrounds himself with unseen force, gaining resistance to Bludgeoning, Piercing, and Slashing damage from nonmagical attacks.

You can cast prepared Wizard spells using Intelligence as your spellcasting ability. You have a spellbook containing your known Wizard spells and can use an Arcane Focus as a spellcasting focus for Wizard spells.

You can cast a Ritual spell from your spellbook without preparing it, provided the spell has the Ritual tag.

Once per Long Rest, when you finish a Short Rest, you can regain expended spell slots with a combined level of up to half your Wizard level, rounded up. No slot can be 6th level or higher.

You can add two Wizard spells from the Evocation school to your spellbook whenever you gain a Wizard level, and copying Evocation spells into your spellbook requires half the normal time and gold.

When you cast an Evocation spell that affects other creatures you can see, you can choose a number of those creatures equal to 1 plus the spell’s level. Chosen creatures automatically succeed on their saving throws against the spell and take no damage if they would normally take half damage on a successful save.

You gain a feat for which you qualify. Galen takes Ability Score Improvement, increasing Intelligence by 1 and Charisma by 1, reflected in his final ability scores.

When you finish a Long Rest, you can replace one prepared Wizard spell with another spell from your spellbook.

Your damaging Wizard cantrips deal half damage to a creature that succeeds on its saving throw against them, unless the cantrip normally deals no damage on a successful save.

Researcher. When Galen does not know a piece of information, he usually knows where and from whom that information can be obtained. He can recall the habits of libraries, universities, monasteries, private collections, and learned societies, and can identify the likely location of obscure lore with time to investigate.