At the beginning of the film you see blood spurting out of a presumed stab wound on a mans leg.
Adults and children deceased in a cave with stab wounds on their bodies
Two men are driving away from a cave and the passenger is holding a bloody knife
A man breaks an ancient relic bar and a spider crawls out and bites his arm. He's later seen with a big venomous mark on his arm which eventually kills him
A pet grey tabby cat jumps on the floor to chase a mouse. A giant spider climbing down from the ceiling catches and (kills the cat off screen but heard meowing and growling)
An ancient entity named 'Mother' shapeshifts as a spider. She is seen in human form raising a knife to kill a baby, reluctantly given as a sacrifice. Baby's mother is distraught and crying
A young girl is walking down wooden steps but loses her footing and slips off, bumping her head mildly
Sleeping faces of deceased babies are seen in a spider's web of Catacombs
A relic collector is, unsuccessfully, crawling away from a giant spider that bites him. He is later seen lying on his back with his eyes eaten or gouged out
A woman angrily slaps her young son in the face.
A woman peers into a hole in the Attic where a giant spider jumps out and attacks her by biting her chest.
Not gorey but the bites (spider bites) in this movie are gross, bloody and slimy, just personally very gross but not super super graphic.