Re-zero -starting Life In Another World- La Pro...

If you are specifically looking for the Italian edition of a Re:ZERO volume titled “La Prova della Volontà” :

To understand the significance of the recent narrative developments, one must understand where Subaru stands in his journey. The title Re:ZERO implies a constant return to the beginning, a resetting of progress. However, the current arcs in the light novels—often searched for via terms like "La Pro..." (referring to the Long arcs or Prophecy )—mark a definitive shift. We are no longer witnessing Subaru merely surviving; we are witnessing him evolving. Re-ZERO -Starting Life in Another World- La Pro...

Subaru’s willpower is both his greatest strength and his fatal flaw. Early arcs show him recklessly charging into danger, believing his “reset” makes him invincible. However, each death erodes his sanity. The Trial of Will emerges when he must choose to act without knowing the perfect outcome. If you are specifically looking for the Italian