In Konoha: Three Choices at the Start

The Kage of the various nations folded their arms and watched with interest. Not one of them made a sound.

Tap, tap, tap!

Footsteps sounded, drawing closer.

Izumi slowly emerged through a large hole in the wall, her face expressionless.

"So this is the strength behind your mad death wish? If that's all you've got, you can die. When you get down there, tell Fugaku that Uchiha Izumi killed you!"

"Damn it! She's fast!" Sasuke knelt on the ground, gasping for breath.

His Mangekyo spun, and he growled, "Amaterasu!"

Black flames swirled around Izumi, engulfing her in an instant.

"Hmph! Be as strong as you like. You're still going to die before these eyes!"

Seeing Amaterasu engulf Izumi, Sasuke thought victory was his and roared with manic delight.

He was completely ruled by his own power.

"Aren't you celebrating a little early? It's just a Yin Release jutsu, and you're this pleased with yourself? The Uchiha Clan really has fallen!"

"You're nowhere near Itachi's level. I wonder how much he held back to let you win!"

Izumi's cold voice came from within the black flames once more.

To Sasuke's shock, the flames visibly faded from her body until none remained.

"H-how is that possible?" Sasuke Uchiha stared in disbelief.

"Nothing's impossible. Your view of the world is just too narrow! Amaterasu is only one way to use Yin Release!"

The moment Izumi finished speaking, she vanished again.

"Hahaha! You think that's all these eyes can do? Let me show you the Uchiha Clan's ultimate power!"

Purple energy swirled around Sasuke, and a skeletal rib cage slowly enclosed him.

Izumi suddenly appeared before him, her dark eyes full of disdain.

"That's only the first stage of Susanoo. Where did you find the nerve to challenge us?"

Violent energy gathered and compressed