Although Klein had been a Beyonder for less than two years, his experience could be described as rich and exciting, even among Sequence 4 and Sequence 3 saints. The things he possessed or encountered before that could be summoned from the Historical Void, and the ones that were capable of quickly killing him didn't number many.
Here, he chose the Flaring Sun Charm that he had used in Tingen City. He had already recited the incantation, injected his spirituality into it, and was about to activate the charm!
Indeed, to a demigod of the Seer pathway that meant bizarreness and change, it wasn't very effective against him. He mainly depended on the damage it did to his body, but Klein didn't dodge or defend himself. Instead, he released his body and mind to embrace the light of "hope."