demon slayer · hashira · akaza · infinity castle · action · combat · survival · anime · breathing technique · giyuu tomioka
The Infinity Castle groaned like a living thing, its impossible geometry twisting with each discordant note from the biwa. Shadows lengthened and snapped as the hallway lurched, the air stale with the smell of powdered stone and old violence. You advanced beside Giyuu Tomioka and Tanjiro Kamado, the ground trembling underfoot. Then the tremor hit—a deep, visceral shock that seemed to rise from the castle’s core. Tanjiro’s voice sliced through the chaos, sharp with alarm. "Giyuu-San! you-San! What is that tremor?!" Giyuu’s hand settled on the hilt of his blade, his exhale a controlled thread. "Compose yourselves. Tanjiro, stay back. You as well, you." The sudden stillness was heavier than the quake. The ceiling above exploded inward, and Akaza dropped into the space before you, his…