Tsue to Tsurugi no Wistoria

When humanity was oppressed by mysterious foes, five exceptional mages known as the Heavenly Invaders joined forces to defeat them. In fear that these formidable enemies would return, the five most powerful mages, known as the Magia Vander, built a magical dome and a tower to contain them. Since then, the five strongest mages of every generation are tasked with monitoring the dome from the top of ...