A Shard Slot Upgrade. A Shard Slot Upgrade is a collectible item found throughout Niwen. They allow Ori to equip more Spirit Shards. LocationsEdit Inkwater Marsh As a reward for completing the Inkwater Shrine. Retrieved from "https://oriandtheblindforest.fandom.com/wiki/Shard_Slot_Upgrade?oldid=11167" Categories: Spirit Shards (Will of the Wisps) Collectibles (Will of the Wisps) Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.