Concrete Conduit (5e Subclass)
From D&D Wiki
Conduits are people who are born with the power to harness natural elements to perform a variety of shenanigans. Concrete conduits are very resilient indeed and get a big club.
- Concrete Shell
Starting at 1st level, you are unable to wear medium or heavy armor, but your AC increases by your Charisma modifier constantly.
- Concrete Bludgeon
Starting at 1st level, you gain an enormous concrete Bludgeon that you can use as an Arcane Focus. It has the Two-Handed trait and uses Charisma as it's attack modifier. You are proficient with it and it deals 1D8 Bludgeoning damage. At 6th level the damage becomes 1D10, at 14th level it becomes 2D6, and at 18th level the damage becomes 2D8.
- Stone Rush
From 6th level onwards you can use your action to increase your AC by 5 until the start of your next turn. You also gain a +15 bonus to your movement speed. You can take a bonus action to attack with your Concrete Bludgeon if you use this. Also, you can wear medium armor.
- Enhanced Rush
From 14th level onwards, While experiencing the AC boost from Stone Rush, you have resistance to Bludgeoning, Piercing and Slashing damage from nonmagical weapons. Also, you can wear heavy armor.
- Concrete Chakram
At 18th level, your Concrete Bludgeon turns into a Chakram. It now has a throwing range of 60/240 feet and can deal Slashing damage if you choose.