Step. Step. Step.
Each footfall of Roza Thaglas resonated through the hushed corridors of the subterranean sanctuary.
Her measured steps carried her deeper into the heart of the facility, an isolated domain where Eren practiced the Rootless Tantra.
As she traversed the intricate sections of the hidden facility, Roza couldn't help but marvel at Eren's meticulous efforts evident in the various ongoing projects. The tangible successes of his experiments unfolded like a testament to his dedication and expertise.
'There he is.'
Amidst the silent chambers, her gaze fixated on Eren engrossed in the intricate dance of Rootless Tantra.
The layers of isolation barriers dedicated to the Tantra section showed a space charged with potent elemental mana of all forms and types. It was as if the space was packed with elemental manifestations born out of various elements and the numerous Elemental Aspects each of them had.