As confirmed on the game’s official Japanese Twitter profile, the update will be around 13 GB big and it is required to access the new content that will be introduced in the expansion. It’s not yet clear if the update will have the same size on PC and Nintendo Switch.
— モンスターハンターライズ：サンブレイク公式 (@MH_Rise_JP) May 6, 2022 Monster Hunter Rise: Sunbreak will introduce plenty of new content and mechanics to the latest entry in the popular series by CAPCOM. More information on what the expansion will introduce will come during a new Digital Event which will air next week, on May 10th. Monster Hunter Rise: Sunbreak will launch on PC and Nintendo Switch on June 30th worldwide. The base game is now available on PC and Nintendo Switch worldwide.
