Libau RENTAP and his war men did not surrender but retreated to Bukit Lanjak Entimau at the headwaters of Batang Skrang, Lemanak and Engkari. He then moved down to the Ulu Entabai. the branch of Kanowit and Julau and made another fortress at Bukit Stulak. At his old age, he moved to Karangan Panggil in Ulu Wak, Pakan and died of old age in the year 1870. He was not buried, but his remains was kept according to the symbol of the Dayak Iban warrior which was honourably laid down to rest in peace in a mortuary known by the Dayak Iban as “Lumbong”.
His tomb, the “Lumbong” is still intact today located at the summit of Bukit Sibau at the headwaters of Budu/Kabo River of Saratok and Wak River of Pakan. His remains was before kept in a large ceramic jar but it was later placed inside a coffin after the reburial of his remains was done in October 1989 which was done by the Sarawak State Government in the Dayak Iban traditional heroes burial ceremony named Gawai Ngelombong.