Assertion: mob | /r/CapableOf | spawn on top of an opaque block
Facets:
value: due to the general block checks
type: CAUSE
Source sentences:
text: Due to the general block checks, all mobs except squid, drowned, cod, salmon, pufferfish, tropical fish, dolphins and guardians must spawn on top of an opaque block with at least two blocks of headroom, even ghasts, etc.