(requires FORGE...1.6.4)......I did not make any of these mods, I have only made a mod pack which includes :

MobDrops http://www.planetminecraft.com/mod/164mobdrops-2forge/

Weapons+ http://www.planetminecraft.com/mod/forge-weapons/

The Butcher Modwww.planetminecraft.com/mod/the-butcher-mod/

The Ether http://www.planetminecraft.com/mod/the-ether---new-adventure-in-sky/

EnderCraft http://www.planetminecraft.com/mod/endercraft-1743204/

Diamondite Mod http://www.planetminecraft.com/mod/diamondite-mod-164/

The Camping Mod http://www.planetminecraft.com/mod/campfire-mod-campfire-will-be-your-new-better-furnace/

Ninja Mod http://www.planetminecraft.com/mod/ninja-mod-minecraft-152-modloader/

FROSTCRAFT http://www.planetminecraft.com/mod/162-forge-frostcraft-mod-can-you-challenge-the-weather-survival/

WITH THESE MODS INSTALLED PUT THE DIFFICULTY ON HARD HAVE FUN TRYING TO SURVIVE.... GOOD LUCK YOU'LL NEED IT!