Thumb Soldalto - [Textbook]

"In One-on-one Duels, the Palermitan Style has no Equal..."

Taught by a High-Ranking member of The Thumb, you serve as a mentor for others, a 'Textbook' if you will. Specializing in the Palermitan Style, a flashy style that gets faster as a duel continues.

Soldalto of The Thumb - Level 3

"This is boring as shit. *hic* You handle the rest, Lucio. Wake me up when they're done."
" … Yes, Master."

Duello Disperato - Escalating Duel
Each time you target a creature with an attack, or a creature targets you with an attack, they gain 1 stack of 'The Duel Escalates'. The Duel Escalates has a maximum stack of 5.
Your weapon attacks deal 1 additional damage for each stack of 'The Duel Escalates' on the target.
Each time you target a creature, all other creatures lose 1 stack of The Duel Escalates. All stacks of The Duel Escalates are removed at the end of Combat.

When you reduce a creature to 0 hit points, if they had The Duel Escalates, You gain 1 stack of 'Maturing Textbook'. Your attacks gain a bonus to hit equal to your stacks of Maturing Textbook. Maturing Textbook has a max stack of 3, and all stacks are lost at the end of Combat.

Palermitan Style
You gain the Two-Weapon fighting style if you do not have it already. If you already have Two-Weapon fighting, choose a different fighting style. Any weapon you wield that lacks the heavy property gains the finesse property while you are wielding it. This benefit does not apply to versatile weapons wielded with two hands.

Flashy
When you hit a creature, track the amount of times you have hit them. When the track hits reaches 3, the creature takes 2d6 psychic damage and the tracked hits reset to 0.

Lapdog - Level 7

"If Master tells me to bark, I bark. She tells me to bite, I bite and don't let go 'til she says so… That's what I am. A hunting dog's all I need to be-"
"Go for the Heart! The Heart God Damn it!"
"Yes, Master..."

Hunting Dog
When an ally lands an attack against a creature, if the creature is within movement range, as a reaction you can move up to your speed towards that creature and make 1 weapon attack against that creature as part of that same reaction.
 - If the ally that triggers this feature has the "Thumb Sottocapo - [Precognition]" Subclass, make 2 attacks instead.

When you land a critical hit against a creature, their movement speed is reduced by 10 feet and their attack bonus is reduced by 1 until the end of their next turn.

Class, Respect
You gain proficiency in Persuasion and Intimidation. Your Charisma score increases by 1.
Whenever you make a check to assess someone's combat ability, or train someone in melee combat, you have advantage on the check.

The Cleaving Blade - Level 10

"Part dismantled"
"That's right. Start with the arms and legs first when you're dismantling prey, or it'll forget its place and try to crawl away."

Form Breaker
When you land a critical hit against a creature, the creature must make a DC (8 + Your Proficiency bonus + Your Strength or Dexterity Modifier + Creature's The Duel Escalates stacks) Constitution saving throw. On a failure, the creature is moved 10 feet away from you and becomes Stunned until the end of its next turn.

Il Cacciatore
When you make an attack against a creature that has 5 stacks of The Duel Escalates, the first attack you hit against that creature each turn is a critical hit. This can trigger only once per turn.
When you land a critical hit against a creature, you deal additional damage equal to your Fighter Level.

Grueling Battle - Level 15

"Has my standing sunk so low that they expect me to sit through this amateur hour? Ha… **** 'em all."
"The mere display of this disgraceful performance is an affront to my master's honor."

Desperate Struggle
When you start your turn while below half your maximum hit points for the first time in an encounter, you gain 1 stack of Maturing Textbook, as well as the following benefits until combat ends:
The Damage you take  from attacks is reduced by (Maturing Textbook Stacks + attacker's The Duel Escalates Stacks). This cannot reduce an attack's damage below 1.
Your Speed increases by 10 feet.
You deal an additional +2 damage to creatures with 3 or more The Duel Escalates stacks.

The Textbook - Level 18

" Oi! Lucio!"
"Don't you dare ignore me! Say something!"
"Lazy little shit! You haven't even done a quarter of what you're meant to do. Who said you could lie down like you're done?!"

Sezionatura di Cervo
Witness a demonstration of the Palermitan dismantling technique
When you take the attack action, if you target a creature with 5 The Duel Escalates stacks while you have 3 Maturing Textbook stacks, you can choose to activate this feature.
When you activate this feature, all attacks you make as part of this Attack action must target that creature, and each attack that hits becomes a critical hit.
After all attacks have resolved, you lose all stacks of Maturing Textbook, and the target loses all stacks of The Duel Escalates.
If you kill the target with this feature, you do not lose Maturing Textbook stacks.