 The Spanish conquistador Miguel de Loarca described the preparations and the undertaking of such raids in his book "Relacion de las Yslas Filipinas" (1582).The Rajahnate of Cebu fought against the Moro pirates, known as "magalos" (literally "destroyers of peace"), from Mindanao.The islands the rajahnate was in, were collectively known as "Pulua Kang Dayang" or "Kangdaya" (literally "[the islands] which belong to Daya").