How did the sealanders destroy the fringes army?

The Sealanders destroyed the Fringes Army through a combination of strategic guerrilla tactics and superior knowledge of their terrain. They utilized ambushes and surprise attacks to exploit the Fringes Army's weaknesses, disrupting their supply lines and morale. Additionally, the Sealanders' strong community cohesion and adaptability allowed them to outmaneuver their opponents effectively, leading to a decisive victory.