Immortal Knight

Many people say that with death comes honror, immortal knights believe there is no such thing, and dedicate their lives into becoming as powerful and reselince as possible, surpassing their limits of survival so that may never meet a sour end. They harness their will and strength in order to become reseliant beyond belief, so that they one day may reach immortality, throwing away any honror of death, creating one of their own, of eternal life.

Relentless Defense

At 3rd level, your defensive ability and manouvers are beyond those of others. Your AC equals 13 + your Dexteriy modifier + your Proficiency bonus. additionally, you have two uses of second wind per short rest rather than one, second wind being a number of d10s equal to half your proficiency bonus rounded up.

Jack of All Battles

At 7th level, you learn many different abilities to give you the advantage in every fight. You learn four maneuvers, and gain five d12 superiority dice, functioning the same way as the Battle Master architype. You also have gain a +1 bonus to all stats, with a maximum of 25. Additionally you can choose one weapon property of your choice, that property will then be added to every weapon you weild of your choice, you can change the chosen property when gaining a fighter level. Also, you gain proficiency in two of the following of your choice: Acrobatics, Animal Handling, Athletics, Histpry, Insight, Intimidation, Preception, and Survival.

Mountain's Endurance

At 10th level, your body and mind are shielded and armored by your strength and will. You gain a number of hit dice equal to double your Constitution modifier to your max hit points. Additionally, you have advantage on Wisdom, Constitution, Strength and Intelligence saving throws and you can no longer be frightned, charmed, or by a creature with a CR or level under 15. You also become immune to exhaustion.

Warrior's Grip

At 15th level, your connection to your weapons grows and allows you to utilize their maximum potential. When wielding a weapon you are proficient in, you double your Strength or Dextirity modifier for attack and damage rolls with that weapon, and you cannot be unconscious, charmed, paralyzed, restrained or petrefied while wielding a weapon you are proficient in. Additionally, your you cannot be unwilingly disamred of your weapons by any means except for a wish spell, you also don't have disadvantage on attack rolls against a creature you cannot see.

Immortal's Heart

At 18th level, you reach immortality, your emmense power imbuing body with everlasting life. You body no longer ages, and your life span is extended by 5 times. Additionally, your hit points are doubled, and your constitution is increased to 25, additionally, you can cast the spell conquror's gaze without componants 4 times, regaining all expended uses when taking a long rest.