To complete the Borku achievement, you must kill 25 Borks while wearing: * File:29px-Head slot.png Rune Full Helm * File:29px-Torso slot.png Monk's Robetop * File:29px-Legs slot.png Monk's Bottoms * File:29px-Shield slot.png Rune Defender * File:29px-Boots slot.png Rune Boots * File:29px-Gloves slot.png Barrows Gloves * File:29px-Cape slot.png Fire Cape * and using the normal prayer book.