Is Griseo alive in Honkai?

Could you please clarify if Griseo is indeed alive in the world of Honkai? There have been numerous rumors and speculations surrounding his fate, and many fans of the franchise are eager to know the truth. His presence, or absence, could have significant implications for the story and the characters involved. So, is there any concrete information or evidence that suggests whether Griseo is still alive and kicking in the world of Honkai?