HPCheck is a simple, client-side only, mod that negates all damage and shows the damage amounts in chat to help pack creators fine-tune damage from mobs and other sources.

HPCheck was created for me, by Vazkii, and is being posted here with permissions from her. It is licensed under the Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) Creative Commons license.

More information on Vazkii and her mod-commission service can be found here: http://vazkii.us/commissions/