/q create kitpvp.kits.vamp.on
/q e n You are now a vampire!
/q e tofind ifinworld kitpvp
/q e tofind onclicknpc Toggle Vampire
/q e tofind !ifvampire
/q e toadvance onsecond 2
/q e oncomplete docmd /v set vampire true {p}
/q e oncomplete dounfind .

/q create kitpvp.kits.vamp.off
/q e n You are no longer a vampire!
/q e tofind ifinworld kitpvp
/q e tofind onclicknpc Toggle Vampire
/q e tofind ifvampire
/q e toadvance onsecond 2
/q e oncomplete docmd /v set vampire false {p}
/q e oncomplete dounfind .