When you roll a 1 or 2 on a damage die for an attack you make with a melee weapon that you are wielding with two hands, you can reroll the die and must use the new roll, even if the new roll is a 1 or a 2. The weapon must have the two-handed or versatile property for you to gain this benefit.

You have a limited well of stamina that you can draw on to protect yourself from harm. On your turn, you can use a bonus action to regain hit points equal to 1d10 + your fighter level. Once you use this feature, you must finish a short or long rest before you can use it again.

Starting at 2nd level, you can push yourself beyond your normal limits for a moment. On your turn, you can take one additional action.
Once you use this feature, you must finish a short or long rest before you can use it again. Starting at 17th level, you can use it twice before a rest, but only once on the same turn.

Proficiency in Persuasion

Starting at 3rd level, your intensity in battle can shield you and help you strike true. As a bonus action on your turn, you can give yourself advantage on weapon attack rolls until the end of the current turn. When you do so, you also gain 5 temporary hit points. The number of temporary hit points increases when you reach certain levels in this class, increasing to 10 at 10th level and 15 at 15th level.
You can use this feature three times, and you regain all expended uses of it when you finish a long rest.

Proficiency in Stealth

Gain the Weapon Master Feat and proficiency in Katanas

You gain a +3 bonus to saving throws vs. Fear effects.

You must consume 8 times the normal amount that your race requires. However, you have no problem eating sentient races.