Haemorrhaxe

The Haemorrhaxe is a Hardmode Hamaxe dropped by the Hemogoblin Shark and the Blood Eel during the Blood Moon

Trivia
"Haemorraxe" is a portmanteau of the words "haemorrhage" (the release of blood from a broken blood vessel) and "axe". It is also a pun on the words "hammer-axe", alluding to its use.