yes, part of the reason for giving his ashes to xie lian was that they would die together, but the other reason was that xie lian could judge whether he needs to be destroyed in case he was or became actually evil
hua cheng trusts xie lian with making that judgement about him
[images are lineart drawings; the first depicts shen qingqiu holding a sobbing luo binghe and patting him indulgently, then hiding his face shyly as he’s kissed on the cheek by luo binghe. the second depicts hua cheng lifting xie lian in a hug, both their faces besotted; xie lian is kicking his feet up in delight, his hair so long it drifts off the edge of the canvas.]
