Duel Rules:
Duels take place in Inner Cloister, alternating starting positions each round
Duels start when both players signal readiness with a dead swing
Duels are first to 10 wins, no deuce
2 equipment swaps per set are permitted
Tokens are prohibited once the set begins
Shifting is prohibited and will result in a ban
Equipment Rules:
Slows Target % is prohibited
Pre buffs using a Cube or Stash are prohibited
Elemental Damage on charms is prohibited
Sacrifice charges are the only permitted skill charges to be activated on equipment
Ethereal items without Repairs Durability are prohibited, except for Blade Sentinel Claws
Maximum of 6 Attacker Takes Damage
Maximum of 80 Poison Damage
Maximum of 1 item with Chance to Cast Frost Nova is permitted
Ethereal Throwing Spears without Replenishes Quantity are permitted
Class Rules:
Amazon:
Currently unrestricted
Assassin:
Hybrid attack builds are prohibited
Blade Sentinel can only be placed after your opponent's first Auto Attack while in melee range
Tiger Strike charges cannot be recycled; all charges must be released before new charges can be built
Dragon Talon build is exempt from the Poison Damage cap
Barbarian:
Leap is prohibited
Druid:
Oak Sage is the only permitted Summoning skill
Elemental skills are prohibited
Shapeshifter recasting is prohibited
Necromancer:
Summoning skills are prohibited
Bone Armor recasting is prohibited
Paladin:
Skill point investment in resistance skills is prohibited
Prayer is prohibited as an active aura
Thorns is prohibited as an active aura
Holy Fire is prohibited as an active aura
Sorceress:
Permitted to level up to 12
Permitted to use items up to level 12
Permitted Attacks:
Auto Attack
Bash
Dragon Talon
Jab
Sacrifice
Tiger Strike
Kevin beat me to it hehe!
These are the most up-to-date rules confirmed
D2:R