Back in 2017, one of our homebrew rpg groups had a homebrew challenge. One of those is creating a weird magic, which can be a spell, effect, or an item, that is 5E compatible. This was my entry back then, but I expanded on it a bit, adding agenda and fear. Posting it here for posterity, and possibly improving it to be a system-neutral item/loot. - - - Image: my rendition of the scabbard's appearance Image: a transformed sword, becoming a sentient arm Inspiration: Morty's Giant Arm (Rick and Morty s03e02) + Tentacle Swords. SCABBARD OF THE FALLEN ABOMINATION Wondrous item, rare (requires attunement) An old scabbard made from wrinkly leather. This scabbard can shrink or enlarge to accommodate any knife, dagger, sword, or similar weapon up to and including a greatsword. With a command word, any sheathed weapon drawn from this scabbard turns its blade into a long and deceptively scrawny arm attached to a hilt of a greatsword. The "arm" blade's
system-hopping diy rpg enthusiast