Battle Experience () is a new mechanic in My Singing Monsters3.0. Battle Experience is earned by completing Quests. The Colossingum has its own levels, ranging from Level 1 to Level 30. Leveling up The Colussingum unlocks new Costumes available to purchase for Monsters for Medals and decorations available to purchase on the market for medals.
The amount of experience required to reach each level, and the level's moniker, are shown in the following table.