MarsSeed [1] filed a deletion request for minetest-mod-advanced_npc- git [2]:
Dead package from 2018. Dependency AUR/minetest-mod-mobs_redo-git's upstream repo is gone (404). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/minetest-mod-advanced_npc-git/
