A Bow Balloon. A Bow Balloon (ボウバルーン, Bō Barūn) is an enemy in Wario Land 4. They are Vikings that are armed with bows. They will attack by firing an arrow if they spot Wario, turning him in his puffy form. This article is a stub. You can help MarioWiki by expanding it. Retrieved from "https://mario.fandom.com/wiki/Bow_Balloon?oldid=229692" Categories: Stubs Enemies Enemies in Wario Land 4 Languages: Deutsch Community content is available under CC-BY-SA unless otherwise noted.