Brook Marlowe

Font of Magic. You have 8 sorcery points. These points can be used to cast a Careful Spell (1 point, up to 4 creatures automatically succeed on a saving throw from a spell you cast) or a Quickened Spell (2 points, can change the casting time of a spell from 1 action to 1 bonus action).

Spellcasting. Brooke is an 8th-level spellcaster. His spellcasting ability is charisma (spell save DC 15, +7 to hit with spell attacks). Brooke has following sorcerer spells prepared:
Cantrips (at will): acid splash, chill touch, frostbite, ray of frost, shape water, true strike
1st level (4 slots): charm person, ice knife, shield
2nd level (4 slots): dragon's breath, misty step, snilloc's snowball swarm
3rd level (3 slots): counterspell, tidal wave, wall of water
4th level (2 slots): ice storm, watery sphere

Elemental Affinity. When you cast a spell that deals cold damage, you can add your Charisma modifier (+4) to one damage roll of that spell. At the same time, you can spend 1 sorcery point to gain resistance to that damage type for 1 hour.

Yklwa. Melee Weapon Attack: +2 to hit, reach 10 ft., 1 target. Hit: 1d8 - 1 piercing damage. 

Dagger. Ranged Weapon Attack: +5 to hit, range 20/60 ft., 1 target. Hit: 1d4 + 2 piercing damage.

Opportunity Attack. Melee Weapon Attack: +2 to hit, reach 10 ft., 1 target. Hit: 1d8 - 1 piercing damage. 

Reaction Spells: shield, counterspell