Do spells even work on Death? *He's looking for Reaper Gaster for obvious reasons*

Underwar Gaster
A d-dying spell wont..*Reaper chuckled a bit before summoning his scythe, aiming it directly at Underwar Gaster..he doesn't know exactly what he's up to or why he's there but since most Gasters are evil, he can tell whatever it is Underwar Gaster is there for can't be good*
...M-mind explaining..why your here?
+6 answers in: “Who's there? Oh, hello Death. I don't think we've been introduced.”