Titan Shifter

The archetypal Titan Shifter focuses on the development eradication of all colossal, some even developed so much that they inherit an ability long lost in their blood to fight fire with fire. Those who model themselves on this archetype will train with years of hand to and combat and studying to deal devastating blows to the most monstrous of foes.

Titan Slayer

Beginning when you choose this archetype at 3rd level, Your weapon attacks have an advantage melee weapon attacks on creaturs with a size bigger than yours, additionally, melee weapon attacks add your Intelligence modifier to melee weapon attacks.

additionally, you gain proficiency in acrobatics.

Titan form

Starting at 7th Level, you can use your action to transform into a Titan. You can use this feature twice. You regain expended uses when you finish a Long Rest.

Your game statistics are the same but you gain +5 in strength and constitution plus a +2 in dexterity while in Titan form and you retain your Alignment, Personality, and Intelligence, Wisdom, and Charisma scores. You also retain all of your skill and saving throw Proficiencies, in addition, you gain proficiencies in intimidation and athletics. You can stay in the Titan form for a number of hours equal to half your character level (rounded down). You then revert to your normal form unless you expend another use of this feature. You can revert to your normal form earlier by using a Bonus Action on Your Turn. You automatically revert if you fall unconscious, drop to 0 Hit Points, or die.

While you are transformed, the following rules apply:

• When you transform, you assume the Titans Hit Points which is your Hit Points times 5. When you revert to your normal form, you return to the number of Hit Points you had before you transformed. However, if you revert as a result of Dropping to 0 Hit Points, any excess damage carries over to your normal form. For example, if you take 10 damage in Titan form and have only 1 hit point left, you revert and take 9 damage. As long as the excess damage doesn't reduce your normal form to 0 Hit Points, you aren't knocked Unconscious.
• You can't cast spells, and your ability to speak. Transforming doesn't break your spells already cast on your body, However, if the spell affects your appearance or is cowering your body but isn't big enough to cover the Titan form, the spell ends
• You retain the benefit of any features from your class, race, or other source and can use them if the new form is physically capable of doing so.
• Your Equipment merges into your new form.  Equipment that merges with the form has no effect until you leave the form.
• The Titan form is similar in body shape and appearance to you but is 17 feet tall and weighs 400 pounds, at higher (character) levels the size of the Titan form changes, at 13th level the Titan form is 50 feet tall and weighs 2000 pounds, and at 20th level, the Titan form is 200 feet tall and weighs 8000 pounds.
• Similarly to size the stats and Hit Points scale with level, at 13th level as the Titan form a +15 in strength and constitution and additionally +6 in dexterity and the Hit Points is equal to your current hit points times 15, at 20th level as the Titan form a +50 in strength and constitution and additionally +20 in dexterity and the Hit Points is equal to your current hit points times 25.
• You can have no equipment nor clothes on while in Titan form, the reproductive system and other organs do not exist while in titan form, and your main body is in the Titans nape, a crit to the nape damages your main body directly and forces you out of the Titan body.
• The titan forms AC is equal to 10 + your constitution and dexterity modifier, The Titan form can only attack with unarmed attacks or throwing things (and other attacks if your race has it, for example, Arakocras talons or lizardfolk's bite), The unarmed attacks use both the strength and dexterity modifiers on attacks and hits, the reach of the Titan is 10 feet at 7th level, 20 at 13th and 100 at 20th.
• To activate the Titan form must you take damage, the most common type of damage is a bit to the hand or a pin sting.

 

Inproved Second Wind

At 10th level, When you use Second Wind will it be 2d10 instead of one, additionally, will your body regrow lost bodyparts overtime. If your unconscious but stabilized will you come back with 1 Hit Points after 1 hour.

Archery

You gain a +2 bonus to attack rolls you make with ranged weapons.

Defense

While you are wearing armor, you gain a +1 bonus to AC.

Dueling

When you are wielding a melee weapon in one hand and no other weapons, you gain a +2 bonus to damage rolls with that weapon.

Great Weapon Fighting

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.

Protection

When a creature you can see attacks a target other than you that is within 5 feet of you, you can use your reaction to impose disadvantage on the attack roll. You must be wielding a shield.

Two-Weapon Fighting

When you engage in two-weapon fighting, you can add your ability modifier to the damage of the second attack.

Titan Slaying Expert

Starting at 15th level, your melee weapon attacks score a critical hit on a roll of 18–20 if the target is at least one size larger than your original form.

"Move forward no matter what"

At 18th level, will your regenerative abilities have gone beyond the normal, As long as your brain isn't completely destroyed will you always be stabilized and start regenerating the rest of your brain and body. If the brain is damaged it'll take 24 hours for you to be back, if it isn't, then it'll only take 30 minutes.