Strategist

The Strategist is a fighter who studies the prowess of martial discipline both via the traditional physical ways and via the scholarly ways. This leads to a formidable foe. A swordsman, axeman or bowman that sees every fight like a game of chess. Their study and sharp mind allowing them to predict and counter other foes as well as direct their allies. They truly believe that the mind is just a dangerous weapon as any sword, Dagger or hammer.

Famous strategists include people such as Daedelus, Leonidas, Alexander and of course Athena. 

Legendary general

Starting at level 18,You have become a legendary strategist on the battlefield directing your allies with commanding efficiency. Your battlefield planner feature recharges all uses if you roll above a 10 on iniative. Additionally all your allies benefit from your predictive Duelist feature as you do if they are within 30 feet and can hear you. They use your intelligence modifer instead of their own when benefiting from predictive Duelist. 

Predictive Duelist

Starting at level 3, Your sharp mind allows you to predict the moves of your opponent allowing you to attempt to guess how they will attack you or how they will defend from an attack against you. As a bonus action you may choose one creature that you can see. If your target dies you may move the target as a bonus action on a subsequent turn. When you make an attack against a target under one of these effects their resistances are ignored and their immunities become resistances in terms of resisting your attacks. 
- Attack Prediction: Your chosen creature has disadvantage on attacks against you. 
-Defense prediction: You have advantage on attacks against your chosen creature. 

You may use this feature twice. You regain all uses on a short or long rest. You gain an additional use of this feature at 7th level and another at 15th level.

You gain proficiency with intelligence saving throws. 

 

Battlefield planner

Starting at level 7,Your study of strategy allows you to direct allies into strategically able positions. As a reaction you can grant strategical direction to an ally, that you can see and that can hear you, when they make an attack to grant them a bonus to their attack roll equal to your intelligence modifer

You can use this feature an amount of times equal to your intelligencr modifer (minimum once)

Improved intellect

Starting at level 10,When you use your predictive Duelist feature you can target an additional creature. Additionally the effects are improved.
When you target a creature with Attack predictions damage you take from them is reduced by an amount equal to half your intelligence modifier (rounded up)
When you target a creature with defense predictions you can deal extra damage equal to your intelligence modifer once per turn.

Clever direction

Starting at level 15,You have become adept at directing others in and out of combat. When you use your action to make the attack action you can forgo one of your own attacks to immediately direct an ally you can see and that can hear you to move upto half their movement and make an attack against one of your predictive Duelist targets. They can benefit from all effects that you would also benefit from if you made an attack.
Additionally you can spin intelligent sounding words into your sentences to sound more convincing. You can use intelligence instead of charisma for Persuasion and Deception ability checks.