On the Terraria Server “Ultimate World V4”, the user Skyruner does not die in pvp, regardless of the immense amounts of damage taken.
Video URL: (Downloading might work better than streaming)
https://dl.dropboxusercontent.com/u/24522008/Terraria/Terraria_2014_07_27_00_56_05_047.avi
(Sorry for spamming the snowman cannon, I thought it’d help clearly show how much damage Skyruner was taking.)
Some times in the video where you can see the damage amounts clearly exceeding 600 hp (max health+lifeforce potion) are listed below.
0:35
0:50
1:00
1:40