Eiyuu Senki - Laevatein (日本語: 英雄戦記レーヴァテイン) is a strategic role-playing game developed by Koei Tecmo for the Nintendo DS. It is the fourth installment of the Eiyuu Senki series, which is set in a world where famous historical figures and mythological characters from across the world have been gathered together to fight in a grand war. Players take on the role of a protagonist who must lead their armies to victory against their enemies. The game features a turn-based battle system, where players must use strategy to outwit their opponents. The game also features a variety of different characters, each with their own unique abilities and strengths. Players can also customize their characters and equip them with powerful weapons and armor. The game also features a variety of different gameplay modes, including a single-player story mode, a two-player versus mode, and an online mode. Players can also compete in tournaments to test their skills against other players. Eiyuu Senki - Laevatein is a challenging and exciting strategy game that will appeal to fans of the genre. The game features a variety of different characters and gameplay modes, which makes it a great game for both newcomers and experienced players alike.