A cub stormbringer is a tier one summoning familiar in Daemonheim, she fights using magic based attacks and requires level 3 Summoning to make. She will talk to you in common tongue, and will constantly look down on you in the conversations. While summoned, the stormbringer has a passive ability that grants the player an invisible 1% boost to their magic defence.
The cub stormbringer enables the use of the Snaring Wave special ability for a cub stormbringer. Using a cub stormbringer pouch on a Summoning obelisk creates ten cub stormbringer scrolls. The special move deals a more damaging attack that is 50% more accurate, deals more damage, and immobilises the opponent.
This article on a Summoning familiar has an associated dialogue page. Click here for a transcript of possible conversations with this familiar.