Kalevipoeg (Kalev's Son) is a 19th century epic poem by Friedrich Reinhold Kreutzwald which has since been considered the Estonian national epic. Kalevipoeg travels to Finland in search of his kidnapped mother. During his travel he purchases a sword but kills the blacksmith's eldest son in an argument. The blacksmith places a curse on the sword and is thrown in the river. On returning to Estonia Kalevipoeg becomes king after defeating his brothers in a stone hurling competition. He constructs towns and forts and tills the land in Estonia. Kalevipoeg then journeys to the ends of the earth to expand his knowledge. He defeats Satan in a trial of strength and rescues three maidens from hell. War breaks out and destruction visits Estonia. Kalevipoeg's faithful comrades are killed, after which he hands the kingship to his brother Olev and withdraws to the forest, depressed. Crossing a river, the sword cursed by the Blacksmith and previously thrown in the river attacks and cuts off his legs. Kalevipoeg dies and goes to heaven. Taara, in consultation with the other gods, reanimates Kalevipoeg, places his legless body on a white steed, and sends him down to the gates of hell where he is ordered to strike the rock with his fist, thus entrapping it in the rock. So Kalevipoeg remains to guard the gates of hell.

Kalevipoeg - Wikipedia