RE: Zero -Starting Life in Another World-, Vol. 22 (Light Novel) (novel)

In search of the Sage's legendary wisdom, Subaru's party has braved the Augurian Dunes that were widely considered uncrossable-until now! It certainly lived up to its lethal reputation but their efforts have paid off and they've finally made contact with Shaula. Unfortunately, if they want her help, they'll have to prove they can outsmart her first...