Taken from Japanese mythology by way of Nioh, suitable for an Oriental Adventure campaign.
KARAKASA UMBRELLA
Ethereal Sight. The yokai can see 60 feet into the Ethereal Plane when she is on the Material Plane, and vice versa.
Turning Defiance. The yokai and any yokai of CR 2 or lower within 30 feet of it have advantage on saving throws against effects that turn undead.
ACTIONS
Pesky Poke. Melee Weapon Attack: +3 to hit, reach 5 ft., one creature. Hit: 12 (2d8 + 3) bludgeoning damage.
Needle Spin. Melee Weapon Attack: +5 to hit, reach 10 ft., all creatures within reach. Hit: 10 (2d6 + 3) piercing damage. If the target is a creature other than an undead, it must succeed on a DC 10 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
REACTIONS
Sun Shield. As a reaction it may side step an attack that would hit by adding 3 to its AC.
DESCRIPTION
A yokai in a shape of an unbrella. It has a single large eye at its center and a single leg in place of a handle. Also known as “Karakasa-kozo” (Umbrella kid) and “Ippon-ashi” (one-leg). Appears out of nowhere and startle people on rainy nights.