碧
=
珀
+
石
:
Brunhilde (bi) is using the space station's bathroom (Ø4), but today she is feeling very unwell. All she produces consists of rock (石), amber (珀) and green jade (碧).
Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.