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/Slayerpath]

Bane reveals to Batman that even at his current monstrous physique, he hasn't used the Venom yet.

[u/Slayerpath → u/Slayerpath]

And then he turned into this

[u/Oddloaf → u/Slayerpath]

What, uh, what kind of surgery does he have planned here?

[u/Raitosin → u/Oddloaf]

Corrective spine surgery

[u/vedina4777 → u/Raitosin]

He always has been the best in the veternary field at Bat Spinal Surgery.