Poison Plus

Poison Plus (Japanese: 毒強化, Doku Kyōka) is a Gem in Xenoblade Chronicles that increases Poison damage dealt to enemies.

Gem stats[]

	Poison Dmg Increase
	5-10%
	15-20%
	25-30%
	35-40%
	45-50%
	75-100%

Gem sources[]

Ways to obtain Poison Plus gems, including completing Quests, trading with NPCs, and completing categories in the Collectopaedia.

	None
	Trade Modamo (Frontier Village, 2*) Dabidabi (Frontier Village, 2*) (Only if Adidi was given the Enlarging Seaweed during the quest Who is Bigger?.)
	Quest Dadapon in Trouble Trade Dedeba (Frontier Village, 4*) Modamo (Frontier Village, 4*) Nelo (Alcamoth, 2*) Dabidabi (Frontier Village, 4*) (Only if Adidi was given the Enlarging Seaweed during the quest Who is Bigger?.)
	Trade Nelo (Alcamoth, 5*)
	Quest Legend of the Sage
	None

Crystal and cylinder sources[]

Places to mine for Poison Plus crystals, and enemies which drop Poison Plus Crystals and Cylinders.

	None
	None
	Mining Makna Forest (map) - E of Eks Watering Hole and NW of Twisted Tree Gate Galahad Fortress B2F (map) - Ether Blast Furnace NW Ether Gear Enemy Eques Skyray
	Enemies Mild Florence M57/FAITH M56/UNION M57/BEAST
	Mining Tephra Cave GF (map) - in Forgotten Cave

Unique armour and weapons[]

Unique Armour and Weapons with Poison Plus gems permanently attached to them.

	None
	None
	Weapons Longevity Biter Machina Rod II
	None
	Weapons Banquet Biter High Entia Soul
	None