Swarmkeeper

Gain always-known swarm-themed spells D&D Portal - Spells Spellcasting rule Spells is a spellcasting rule used by spells, class features, and magical effects. Full link: https://dnd-portal.com/rules/spellcasting/spells/ and once per turn use the swarm to add damage, move a target, or move yourself after a hit.

Use a bonus action D&D Portal - Bonus Action Action rule Bonus Action is an action economy rule used to describe what a creature can do on its turn. Full link: https://dnd-portal.com/rules/actions/bonus-action/ to gain a temporary flying D&D Portal - Flying Movement rule Flying is a movement rule used during exploration, encounters, and combat. Full link: https://dnd-portal.com/rules/movement/flying/ speed D&D Portal - Speed Movement rule Speed is a movement rule used during exploration, encounters, and combat. Full link: https://dnd-portal.com/rules/movement/speed/ from the swarm.

Improve every Gathered Swarm option with more damage, prone D&D Portal - Prone Condition Prone is a game condition that can affect what a creature can perceive, do, or resist during play. Full link: https://dnd-portal.com/rules/conditions/prone/, or half cover.

Use a reaction D&D Portal - Reaction Action rule Reaction is an action economy rule used to describe what a creature can do on its turn. Full link: https://dnd-portal.com/rules/actions/reaction/ when damaged to gain resistance and teleport away.