Amazon has opened pre-orders for the Berserk Manga Deluxe Edition Volume 6. According to the product page, the book will be coming out on Nov. 12, 2020, in the U.S. region. If you are interested, you can pre-order with the following link:
An adult fantasy/horror epic of monumental proportions, Kentaro Miura’s Berserk is now offered at its original published size in handsome deluxe hardcover editions each collecting three volumes of the acclaimed manga series.
Marked with the unholy Brand of Sacrifice that draws the damned to him, Guts the Black Swordsman battles the minions of Hell that thwart his search for Casca, his former captain and lover. But Casca, too, is marked with the Brand, and Guts must find her before the legions of the abyss do! Collects Berserk volumes 16-18.