Kwang-Gae-Toh-Wang (347 C.E. - 413 C.E.) was renowned for his boldness and ambition during his youth. After he succeded his father to the throne, he undertook the task of regaining previously lost territories; through many conquests he expanded the territories of the Koguryo Dynasty. According to his tombstone, "64 castles and 1400 villages" were attacked and conquered during his reign.