The Dark Knight

The Dark Knight is a hard-mode boss that is summoned with The Dark Knight's Helmet. You can only summon him at night. The summon message is: The galloping of horses is getting closer...

The fight:
You need a decent hard mode weapon (adamantite) and decent hard mode armor (mythril)

Stage 1:
Spawns 3 Knight Sheilds

Rides upon Horse Steed

40,000

Attack: 70

Defense: ???

Stage 2:
40,000

Attack: 85

Defense: 35

Drops:
100% 10-25

33.33 Knight Sheild

33.33 Cursed Hay

33.33 Knight Lance

14.25% Dark Knight Mask

10% Dark Knight Trophy