ASIS - Automatic Spells and Increased Spawns
More spawns, overhauled enemy AI, enemies have potions and spells from other mods. Patcher makes it fully compatible with other mods.
Improves Skyrim's dragons fights by making it more difficult.
Faster-paced combat for a more responsive, realistic and rewarding experience for skilled players.
Duel - Combat Realism
Other choice that overhauls the combat system, updated more frequently than Deadly Combat.
Increases the damage of all traps by at least 3.8x. Simple mod that only changes the multipliers.
HBE - Hardcore and Balanced Experience
Rebalances the game to be a lot more "hardcore" and rewarding.
Level scaling rebalanced to make the beginning more difficult.
Skyrim Scaling Stopper