Draconic Essence. When you summon the drake, choose a damage type: acid, cold, fire, lightning, or poison. The chosen type determines the drake’s damage immunity and the damage of its Infused Strikes trait.

Drake Mount. The drake grows to Medium size. Reflecting your special bond, you can use the drake as a mount if your size is Medium or smaller. 

Empowered Bite. The drake’s Bite attack deals an extra 2d6 damage of the type chosen for its Draconic Essence

Resistance. You gain resistance to the damage type chosen for the drake’s Draconic Essence.

Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 1d6 +5 piercing damage +2d6 Acid Damage.

Infused Strikes. When another creature within 30 feet of the drake that it can see hits a target with a weapon attack, the drake infuses the strike with its essence, causing the target to take an extra 1d6 damage of the type determined by its Draconic Essence.