Base Class: Fighter
Guardians of Castell are fighters who have honed their skills in defensive tactics, dedicating themselves to the protection of their allies on the battlefield. These warriors hail from the region of Castell and are known for their bravery and resilience, capable of withstanding powerful blows while keeping their enemies at bay.
Bonus Proficiency
When you choose this archetype at 3rd level, you gain proficiency in the Athletics skill, if you don't already have it. Your years of rigorous training have made you adept at maneuvering through the battlefield and protecting your allies.
Defensive Tactics
At 3rd level, you learn to use your bulk and your shield to protect others. When a creature you can see hits a target, other than you, within 5 feet of you with an attack, you can use your reaction to reduce the damage the target takes by an amount equal to your fighter level + your Constitution modifier (minimum of one). You can use this feature a number of times equal to your Constitution modifier (a minimum of once). You regain all expended uses when you finish a long rest.
Protective Shield
At 7th level, you learn to extend your protective aura to those around you. If you are wielding a shield, allies within 5 feet of you gain a bonus to their AC equal to your Dexterity modifier (maximum of +2). This bonus applies only to attacks made by creatures within your reach.
Unbreakable Resistance
At 10th level, your constant exposure to the rigors of battle has hardened you to certain types of damage. You gain resistance to a damage type of your choice: acid, cold, fire, lightning, necrotic, radiant, thunder, poison, bludgeoning, piercing, or slashing. Once you choose the type of resistance, you can't change it.
Relentless Defender
At 15th level, your protective aura extends even further. When you use your Defensive Tactics feature, you can choose two targets instead of one, provided they are both within 5 feet of you. Additionally, you can use your Defensive Tactics feature a number of times equal to your Strength modifier (minimum of once), and you regain all expended uses when you finish a long rest.
Impenetrable Bastion
At 18th level, you become a master of safeguarding your allies. When an ally within your Protective Shield's range is hit by a critical attack, you can use your reaction to turn that attack into a normal hit. You can use this feature a number of times equal to your Constitution modifier (minimum of once), and you regain all expended uses when you finish a long rest.
