Greatsword of sacrifice

The Greatsword of sacrifice is a slow sword that drains your health but deals massive damage in return.

Obtaining
The Greatsword of sacrifice has a 50% chance of spawning on the tip of the main tower in the Forbidden castle.

Possible upgrades
The Greatsword of sacrifice can be enchanted with any sword enchantment.

Downsides
Using it with an armor enchanted with Thorns can activate its health draining effect if a mob is affected by your Thorns armor while having the sword in hand.

Description
Drains the life of its wielder to inflict massive damage

Theories
TBA