As an action, launch a fiery burst at a point within 150 feet. Creatures in a 20-foot-radius sphere make a Dexterity saving throw, taking 8d6 fire damage on a failure, or half as much on a success.

As an action, teleport up to 30 feet to an unoccupied space you can see.

As a reaction, create an invisible barrier that gives you a +5 bonus to AC until the start of your next turn, including against the triggering attack, or negate the triggering Magic Missile spell.

As a reaction, attempt to interrupt a creature within 60 feet that is casting a spell. Make an ability check using your spellcasting ability for spells of 4th level or higher.

When a creature within 30 feet makes a saving throw, you can use your reaction to grant it a bonus equal to your proficiency bonus. You can use this feature after seeing the roll but before the outcome is determined.

You recover expended spell slots during a short rest. The recovered slots can have a combined level equal to half your wizard level, rounded up, and none can be 6th level or higher.

You have a spellbook containing your known wizard spells. You can prepare a number of wizard spells equal to your Intelligence modifier plus your wizard level, and you can cast wizard spells as rituals when they have the ritual tag and are in your spellbook.

You can copy wizard spells into your spellbook, add two wizard spells to it whenever you gain a wizard level, and learn additional spells through research and adventuring.

You can cast abjuration spells as a ritual if they have the ritual tag. When you cast an abjuration spell of 1st level or higher, you can create an Arcane Ward that absorbs damage. The ward has hit points equal to twice your wizard level plus your Intelligence modifier, and it can be replenished when you cast abjuration spells.

You have advantage on saving throws against spells and other magical effects.

You can add two spells from any school of magic to your spellbook. The chosen spells must be of a level for which you have spell slots.

You gain two Ability Score Improvements or feats. Perrin increased Intelligence by 2 at wizard level 4, Constitution by 2 at wizard level 8, Intelligence by 2 at wizard level 12, Constitution by 2 at wizard level 16, and Wisdom by 2 at wizard level 19.

You can cast one 1st-level wizard spell and one 2nd-level wizard spell in your spellbook without expending a spell slot. You must choose the spells when gaining this feature, and can change them after a long rest. Chosen spells: Shield and Misty Step.

You can cast two 3rd-level wizard spells from your spellbook once each without expending a spell slot. You must choose the spells after finishing a long rest. Chosen spells: Counterspell and Fireball.

People of high birth recognize the gnome's family name and are inclined to offer him a respectful audience, though they may expect him to behave according to noble custom.