In a bag under the gatehouse in Ashbourne Village, to the right when at the fork In a chest at the beginning of Stonehall Dungeons (Ashbourne Village area) In a bag at the top of the tree in Praying Giants (Bol Gerahn area) In a chest in the bottom left of the Creeping Caves, watch out for the trap just before (Bol Gerhn area) In a bag in the Verdant Ruins (Corvius Mire). At the third location of The Scholar, above the big cyclops like enemy. In a bag at the top of the Sentinel Caves on the left side of Dreadstone Peak, requires the Ethercloth Bolt to reach. In a chest in the Temple of Embers. Once you reach the shortcut with the lifts the chest is impossible to miss. In a chest after fighting the boss of the Sky Temple in Elder Copse. Head outside the boss room and travel down until you reach the chest.
Exotic Strand (Ammo upgrade)
In a chest at the top left of Ashbourne Village (needs grapple) In a chest outside of Archridge District, first shortcut (Ashbourne Village) In a bag right next to where you find the Magnesin Supply key item (Bol Gerahn) In a bag along the path in the Temple of Bol Gerahn, next to the entrance to the sewers. In a bag at the top of The Great Tree. Exit on the left and go up in the temple to reach outside again, the bag is on a platform slightly hidden on the top right. In a bag at the top of The Great Tree. Exit on the right and follow the path until the mage door. Just before the door there's a drop with a hidden platform below. In a bag on a few ledges down after exiting the Temple of Eleven at the top door (Dreadstone Peak area) In a bag next to the first checkpoint in the Blasphemer's Vault, ride the wind up from the checkpoint to reach. (Dreadstone Peak area)
Blueblossom (Haze Decoction upgrade)
In a bag in Ashbourne Castle, next to the Nameless Cryomancer start point In a bag in the Creeping Caves, along the path to The Nomad's second appearance. Under the shortcut door right of the starting location for Bol Gerahn. In a bag in Foulmurk Marsh, on the right lower side, below the boss (Corvius Mire area) In a bag on the first chain when going towards the Falling Star in Dreadstone Peak.
Bluestone Mushroom (Frostvein decoction upgrade)
In a bag in Praying Giants (Bol Gerahn area), requires Ethercloth Bolt to be able to ride the wind stream. Next to starting location for the Wind mage. In a bag in the Blasphemer's Vault. Use the chains from the second checkpoint, same location as The Nomad boss fight.
Dragon's Tongue (Blastroar decoction upgrade)
In a bag in the Unclean Oasis along the water surface (Bol Gerahn area, connected to the Creeping Caves) In a bag in the Fettid Grotto, right of the first checkpoint on a raised platform. Requires Luminstone to reach Fettid Grotto. (Corvius Mire area)
Sunfire Toadstool (Phlogiston decoction upgrade)
In a bag across the broken platforms at the top of the Temple of Bol Gerahn. Outside the door of where you join the Shroud Alliance. In a bag on a raised platform along the path in Darkearth Lair (Corvius Mire area)
Grimgrip Cap (Gutrot decoction upgrade)
In a bag at the top of The Great Tree, just above the checkpoint and right before the boss. (Corvius Mire area) In a bag at the Temple of Eleven, along the path as you climb up on the left wall (Dreadstone Peak area)
Umbral Creeper (Umbral decoction upgrade)
In a bag in Pilgrim's Respite, through the big door at the bottom left of Blasphemer's Vault (Dreadstone Peak area) In a bag at the top right of the Falling Star ship at the top of Dreadstone Peak, guarded by an enemy.
Golden Morel (Radiant decoction upgrade)
In a bag in the Temple of Embers in Elder Copse. Along the path as you ride the wind up. In a bag in the Sky Temple in the Elder Copse. It's in on a platform above the first stone circle that you encounter.