[MW Batch Bonus] Mindshock

Weapon (Greatsword), Very Rare (Enhanced Attunement)

Component: Aberration (brainielle) tentacle

“No mind-numbing, thousand-volts-coursing-through-your-body pain, no mind-expanding, unbelievably powerful psionic gain!”

• L’Arsène Upin, Coming Around on Auto-Electrocution

Psionic Link. As a Bonus Action while holding this weapon, you can allow its electrified tentacles to pierce your skin and establish a psionic connection with you until you drop to 0 Hit Points or pull the tentacles out as a Bonus Action. While this connection lasts, you take 1d8 Lightning damage at the start of each of your turns, which can’t be reduced or prevented in any way. In addition, you gain Resistance to Psychic damage, your jump distance is doubled, and attacks you make with this weapon deal an extra 1d8 Psychic damage on a hit.

Enhanced Attunement. You can enhance your attunement to this weapon by enduring the pain of electrocution. In order to do so, you must take a total of 100 Lightning damage from hostile creatures while attuned to the sword. While enhanced, the weapon gains the Overload property.

EA: Overload. When you use the Psionic Link property, you can choose to intensify the link. If you do, you take 2d8 Lightning damage at the start of each of your turns while the link lasts, instead of 1d8. In addition to the benefits of the Psionic Link property, you gain Advantage on Intelligence saving throws, and the extra Psychic damage dealt with the weapon increases to 2d8.

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Rare variant: Reduce the Lightning and Psychic damage to 1d6 each, or 2d6 each if using the Overload property. The weapon doesn’t grant Resistance to Psychic damage or Advantage on Intelligence saving throws.