The Honkai: Star Rail 3.0 leaks about the Remembrance Trailblazers kit and their summon, Mimi, have emerged, showing that the characters new form may be indispensable for some team comps in the games third year of content. Remembrance is highly rumored to be the new Path for the turn-based RPGs main character. Summons have been present in the game for quite some time, but Mimi may be a new category, which has been leaked as a Servant. This Servant mechanic in Honkai: Star Rail is rumored to allow the summon to operate as a fifth playable character on the field.

https://screenrant.com/honkai-star-rail-30-leaks-remembrance-trailblazer-kit/