Fimbulvetr

The Fimbulvetr is a Post-Moon Lord broadsword that has a 33.3% chance to drop from the Grand Frost Hydra. When swung, it releases 4 ice shards that inflict both Frostburn and the Chilled debuff. It is one of the core components to craft the Yggdrasil.

Drops from

 * Grand Frost Hydra (33.3%)

Stats

 * 235 Damage (Melee)
 * Knockback: 4 (Weak)
 * Inflicts Debuff: Frostburn, Chilled
 * Use time: 17 (Fast)