Talk:Nova (Warframe)/@comment-183.90.41.145-20130720142536/@comment-78.45.38.55-20130720170920

My guess is there is short buff that periodically spawns orbs so extending its duration means more orbs will spawn. They spawn in intervals so 9.01 and 9.99 both spawns 9 orbs. So basically you need +50% duration.