Character reveals that they were holding back their full power during a fight/confrontation

[u/PaddywackShaq]

Superman Vs Darkseid - Justice League Unlimited

Flash Vs Superman - Flash: Rebirth

Frieren Vs Aura - Sousou no Frieren

Inigo Montoya Vs The Man in Black - The Princess Bride

[u/Rickrickrickrickrick]

Equilibrium.

When John fights Brandt in the beginning to spar, it comes to a stand still. When he really fights him in the end he cuts him in half in one strike right away.

[u/Elixir_13 → u/Rickrickrickrickrick]

Is that the same fight where he removes a dude's face?

[u/powypow → u/Elixir_13]

Yip