Page "Shiba Takatsune" Paragraph 2

In 1336, an ally of Nitta named Uryū Tamotsu attacked Shiba's castle, which fell soon afterwards.

Two years later, Shiba was ordered by the shogun Ashikaga Takauji to attack Uryū's fortress at Somayama.

The attack failed, and Shiba was forced to fight Nitta's forces again in the defense of the Kuromaru ( Black Fortress ).

With the aid of forces sent by Takauji and warrior monks from Heisenji, the fortress was held, and Nitta Yoshisada mortally wounded in the battle.