Animus

The Animus is a craftable post-Moon Lord developer broadsword that auto-swings. It is also dropped by Supreme Calamitas while in Expert Mode. Hitting an enemy applies the Brimstone Flames debuff for a significantly long time of 100 seconds. Animus changes its base damage every time it strikes an enemy, choosing a weighted value at random from the following options:
 * 25% chance of 4,000 damage
 * 25% chance of 6,000 damage
 * 20% chance of 9,000 damage
 * 15% chance of 15,000 damage
 * 10% chance of 30,000 damage
 * 5% chance of 50,000 damage

Damage changes provided by a modifier are overwritten by its random damage effect every time it is swung.

Trivia

 * Animus can mean either "hostility or ill feelings" or "motivation to do something".
 * Animus inflicting the Brimstone Flames debuff for such a long time is likely a reference to this first definition.
 * Animus in Latin translates roughly to "heart", "mind", and "spirit".

敌意