This Skill, Lethal Formation, is property of 0123456789 The Great.
"Lethal Formation" is a skill that is a reward from the quest Hidden Skills
"Lethal Formation" is an ability that lets a player chants the spell "Set Lethal Formation"
The skill can be upgraded, and when maxed, will change into "Super Lethal Formation" (超絶命陣, Chou Zetsumejin). And will allow the user to cast "Set Super Lethal Formation" instead.
- Taken from "Future Card Buddyfight!!".