Rubuta ci gaba don wannan sakin layi - Yakin Tryavna () ya faru a 1190, a cikin tsaunuka kusa da garin Tryavna na zamani, tsakiyar Bulgaria. Sakamakon ya kasance nasarar Bulgaria a kan Daular Byzantine, wanda ya tabbatar da nasarar da aka samu tun farkon Tawaye na Asen da Bitrus
a shekara ta 1185.