Ned's undead, baby, Ned's undead

SPOILER ALERT: if you haven't finished and don't want to ruin the surprise ending, do not read this!

Ned's undead, baby, Ned's undead. You didn't think is was really that easy did you?

Background
It seems that there more to Dr. Ned.

Walkthrough
Follow Undead Dr. Ned and kill him.

Objective

 * Kill Dr. Ned... again
 * Dr. Ned killed... again: 0/1


 * "Dr. Ned has turned himself into a zombie. Kill him again!"

Strategy

 * Once you kill Dr. Ned the credits start to role and you receive the achievement Night of the Living Ned (achievement). The screen is slashed away to reveal Undead Dr. Ned and you now have to kill him again.  This is the real end fight. A hole opens in the floor. Jump down and work your way to the next area.  You will eventually reach a large underground cavern filled with blood.
 * Undead Dr. Ned is a large monstrosity. He has several special attacks.  He will disappear beneath the blood and reappear next to you.  He spawns zombies throughout the fight.  He will whirlwind when he is in melee range.

Completion

 * "That was hard."

Additional Information

 * Killing Undead Dr. Ned unlocks the achievement Ned's Undead, Baby.

2nd Playthrough

 * Level = ?
 * Reward = XP, Money, Item

Trivia

 * The title is based on a line by Bruce Willis' character in the movie "Pulp Fiction". ''Zed's, dead, baby. Zed's dead."