Relic of the Future: Chapter 39, Chapter 40

Pushing Blake behind him, he faced those in front, spying the faint sight of white masks under their hoods.

Damn it. He'd been arrogant to think he wouldn't be watched.

"Blake, I'll cut through those in front. When I make an opening, you need to run."

Blake sighed. "That won't be necessary."

Pain lanced through his back, drawing a cry and a reflexive slamming of his aura into place – too late by far to prevent the damage. He'd not thought to activate it, not for once thinking his back might be in danger.

Stumbling to one knee, he looked back, back to Blake and the blood that soaked the blade of Gambol Shroud.

—Relic of the Future: Chapter 39



Jaune's aura slammed into place but the damage was done. He hadn't thought to shield his back, trusting his old friend and comrade to protect it. The thought that she might not hadn't crossed his mind. He staggered away from her, confused, disbelieving. Blake, Team RWBY's Blake, one of his best friends, had stabbed him in the back. Jaune gasped, one eye scrunched shut through the pain. The wound hurt, but her attack cut far deeper, straight into his heart.

[...]

"You've done well, Blake," Hazel said, placing a hand atop Blake's shoulder. "Debilitating but not fatal. You serve the White Fang well."

[...]

The White Fang closed in quickly from both sides of the enclosed alleyway. The space limited them to four abreast with little room to swing a weapon. They were rough and, for the most part, untrained. But that was still eight-to-one odds and he was draining aura. His wound had stopped bleeding, but it took concentration.

—Relic of the Future: Chapter 40