sentences:  During the mid-580s, the war continued inconclusively through raids and counter-raids, punctuated by abortive peace talks; the one significant clash was a Byzantine victory at the Battle of Solachon in 586.The arrest by the Byzantines of al-Mundhir's successor al-Nu'man in 584 led to the fragmentation of the Ghassanid kingdom, which reverted to a loose tribal coalition and never regained its former power.In 588, a mutiny by unpaid Byzantine troops against their new commander, Priscus, seemed to offer the Sassanids a chance for a breakthrough, but the mutineers themselves repulsed the ensuing Persian offensive; after a subsequent defeat at Tsalkajur, the Byzantines won another victory at Martyropolis.