Template:Techniques & Abilities Dying Will Mode is a mode that Tsuna goes into when he is shot by Reborn's Dying Will Bullet or by the use of the Dying Will Pill. It uses the pressure he faces during a crisis to externally remove Tsuna's body limiters. He then uses his increased strength and renewed confidence to fulfill his Dying Will, which is the last thought he regretted before being shot. Being in this mode makes the target feel as if their body was breaking, yet that they were prepared to take on anything as well as to be unafraid of their body being destroyed. The effects of the Dying Will shot last for only five minutes. The Dying Will Bullet also has the unusual side-effect of destroying all of the person's clothing except their undergarments. The Dying Will Flame also appears on his head. Reborn also exhibits that firing the Dying Will Bullet into different parts of the body results in different effects such as foot propellers, huge fists, etc.

When Tsuna trained during the Varia Arc, he learned how to stay in Dying Will Mode for over five minutes which is required for Hyper Dying Will Mode and later the Zero Point Breakthrough. .

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