It appears to have stemmed from "creative differences."
The team was forced to make a decision on events this February.
They are the third team in the League of Legends Championship Series to do so.
The champion hasn't been out long enough to be used in competitive play.
The roster includes some former Boom players, as well as some new faces.
The partnership has begun with a digital campaign.
The tech wellness company will also be the San Francisco Shock's recovery partner.