- Muscle Coiling
- Muscle Tension Amplification/Augmentation/Enhancement/Expansion/Increase
- Springlike Limbs
The user can increase ones power by flexing muscles (all or one area at once), granting them enhanced strength and durability, depending on the amount of muscle that can be flexed.
- Weight may slow down the user based on the amount of power used.
- Overuse, use without preparation with training or without required attributes may cause slight to fatal burnout.
- May begin to drain the user's power, durability, and speed after prolonged use.
- Nomura Fudo (Busou Shoujo Machiavellianism)
- Zorcodrio (The Death Mage Who Doesn't Want a Fourth Time)
- Master Muten Roshi (Dragon Ball: Broly - Legendary Super Saiyan)
- Zebro (Hunter X Hunter)
- Toshinori Yagi (My Hero Academia); as All Might
- All For One (My Hero Academia)
- Toguro (Yu Yu Hakusho)
- Mikado Arms (Xiaolin Showdown)
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