Blade of the Unbroken Circle (Patreon)

Weapon (longsword), legendary (requires attunement)

This blade is made by archdruids from the branch of an ancient tree. Rejuvenating magic pulses through it. You gain a +2 bonus to attack and damage rolls made with this magic weapon. If you're a druid, you're proficient with this weapon, which can also be used as a druidic focus, and the bonus increases to +3.

While attuned to the weapon, you can use your Wisdom modifier, instead of Strength, for its attack and damage rolls. In addition, moving through nonmagical difficult terrain costs you no extra movement.

Charges. This sword has 10 charges and regains 1d6 + 4 expended charges daily at dawn. If you're a druid, it regains all expended charges at dawn instead.

Spells. While holding the sword, you can use an action to expend some of its charges to cast one of the following spells from it (save DC 17): barkskin (2 charges), plant growth (3 charges), regenerate (7 charges), tree stride (5 charges), or wall of thorns (6 charges). If you're a druid, this version of the barkskin spell prevents your AC from being less than 18, instead of 16.

Nature's Wrath. When you hit a target with the sword, you can expend 1 of its charges to deal an extra 2d6 damage to it of a type based on the environment you're in. If an environment has more than one damage type associated with it, you choose which one each time: arctic (cold), coast (cold or fire), desert (fire), forest (bludgeoning, piercing, or slashing), grassland (piercing or slashing), mountain (lightning), swamp (necrotic or poison), or underground (necrotic).

Eons have passed in the life and growth of what would one day find its shape within this blade. As it stood witness—to nature's fury, to her guard, to her mercy—in its life, in its rejuvenation may it bear that will forth. And may you bear it well, chosen of the circle.