Bound Monster

Bound Monsters is a Summoning mechanic created by LHK. It is a mechanic borded Light Steel Blue , stored in the Extra Deck, and they have a Level. Bound Monsters also share 2 specific indicators along with a Level; the one called supremum, and the other called infimum. Both are placed in the same line as the ATK and DEF indicators, but they are left-aligned.

How to Bound Summon a Monster
To Bound Summon a Bound Monster, a specific monster is required, in a manner similar to how Synchro Monsters need a Tuner monster for their Summon; an Element monster. To Summon a Bound Monster, you need an Element monster that meets the requirements of the Bound Monster, whose ATK is less than the supremum of the Border Monster and greater than the infimum of the Border Monster; then, Border Summon that Border Monster from the Extra Deck.