There, she finds Asa absent, but his father alarmingly present — as well as a book of necromancy-type occult intel featuring illustrations that very much resemble Lovecraft’s favorite tentacled “cosmic entity” Cthulhu.

Source: https://variety.com/2023/film/reviews/suitable-flesh-review-1235761181/

While computer-generated imagery (CGI) was necessary for specific elements, notably the tentacled alien baddies, "Edge of Tomorrow" surprisingly relies on practical effects with tremendous results.

Source: https://www.slashfilm.com/1444094/edge-tomorrow-special-effects/