Keybrand



The Keybrand is a Hardmode, post-Plantera sword. It has a /  chance of being dropped by Blue Armored Bones, Hell Armored Bones, and Rusty Armored Bones in the post-Plantera Dungeon.

The Keybrand gains more damage against a previously-injured enemy, up to 150% extra damage (250% damage in total). The following formula is used: (That means, for every 1% health lost of enemy, the damage will increase by $$ \frac{1}{60}$$.)
 * If the hit enemy has more than 10% HP: $$Damage * (1 + \frac{5}{3} * (1 - \frac{HP_{Current}}{HP_{Max}}))$$
 * If the hit enemy has less than 10% HP: $$Damage * 2.5$$

Trivia

 * The Keybrand is based on the Keyblade, a weapon used in the action role-playing game series . It bears an especially strong resemblance to the Keyblade named the Kingdom Key, which Sora wields.
 * Despite being a key, it does not unlock anything.