Honkai: Star Rail version 4.5 adds Aventurine Waveflair and Robin Summeretto

Honkai: Star Rail version 4.5 introduced two new 5-star arrivals, Aventurine Waveflair as a Quantum SP and Robin Summeretto as a Wind character, sending the community into a summer-themed creative rush. Artists and creators homed in on Aventurine's SP timing and swimsuit styling, with posts calling themselves "Aventurine stans" and lamenting how the release wrecks their savings. Meanwhile the Robin SP reveal became a narrative beat, with creators posting celebratory Robin SP art and calling out the character as the mystery reveal. The update also sharpened an ongoing conversation about summer variants, with some posts calling the Robin and Aventurine summer releases a surprising or contentious twist.