There are several major changes to the gameplay with this mod, including:

Several improvements to the item system. The different types of items have been given their own attributes, so they are more different from each other. In addition, some items have a longer duration, and some have a shorter duration.

The amount of damage to the items has been reduced.

Some of the abilities and mechanics of combat have been improved.

The most important change, however, is that the game is more challenging.

Installation:

Simply extract everything into your Documents/Bio/Dragon Age/overhaul/ folder. Move the cir000ip_fade_reward.ncs, cir000ip_magic_reward.ncs to the "Program Files"/Dragon Age/overhaul/ folder. To uninstall, simply delete all of these files.