Ninja

Some rogues enhance their natural stealth and mobility with the art of ninjutsu. From the simple arts of misdirection to illusion and teleportation, these rogues lend themselves as unique scouts and very dangerous in combat, with most people unaware of the wide range of strategy and abilities these rogue hold. 

Ninja Arts

When you reach 3rd level, you gain access to the Ninja Arts, ancient and powerful techniques used to confuse, adjust, or disrupt the flow of battle.

Ninja Points Accessing and producing the effects of these Ninja Arts require dedicated concentration and planning. Each Ninja Art has a cost in points which must be paid as part of activating the Ninja Art. You have a number of Ninja Arts Points equal to your Rogue Level . You regain all Ninja Art Points when you finish a short or long rest.

Ninja Arts Known You known 4 Ninja Arts at first level. You also learn a new Ninja Art at 5th, 9th, 13th, and 17th level. Additional whenever you gain a level in this class you may replace one Ninja Art technique you know with another, so long as you meet the requirements. 

Ninja Arts Save DC Some of your Ninja Arts features require your target to make a saving throw to resist the feature’s effects. The saving throw DC is calculated as follows: 

Ninja Arts Save DC  = 8 + your proficiency bonus + your intelligence modifier 

Advanced Exploding Strike

Cost: 6 Ninja Arts Points

As an action you can cast Fireball as a 3rd level spell, requiring no material components.

Advanced Vanishing Smoke Bomb

Cost: 4 Ninja Arts Points

As an action you may throw a magic smoke bomb at your feet and cast Dimension Door.

Exploding Strike

Cost: 2 Ninja Arts Points

As an action you may make an attack with a ranged or thrown weapon that has been prepped to explode. On a hit, the target takes and additions 2d6 fire damage.

Finishing Strike

Cost: 10 Ninja Arts Points

You can attempt to finish of a foe with one last powerful strike. When you hit a creature with an attack on your turn and deal Sneak attack damage, you can spend 10 Ninja Arts Points to have that creature make a Constitution saving throw against your Ninja Arts save DC. On a failed save, the creature has vulnerability to all damage from the attack.

Gliding Leap

Cost: 1 Ninja Arts Point

As an action, you can cast Jump, targeting yourself, requiring no material components.

Intense Composure

Cost: 1 Ninja Arts Point

Whenever you make a Persuasion, Deception, or Intimidation check, you may spend 1 Ninja Arts Point to add your Intelligence modifier to the roll.

Major Summoning Technique

Cost: 3 Ninja Arts Points

As an action you can cast Conjure Animals as a 3rd level spell.

Minor Summoning Technique

Cost: 1 Ninja Arts Point

You may cast Find Familiar as a ritual requiring no material components.

One With the Crowd

Cost: 2 Ninja Arts Points

As an action you can cast Disguise Self.

Splitting Daggers

Cost: 1 Ninja Arts Point

Once when you make the Attack action on your turn using a thrown melee weapon to target a creature, you may spend 1 Ninja Arts Point to have that weapon magically split as part of the attack. You may target up to 2 additional creatures within 10 feet of the original creature. Make a separate attack roll for each thrown weapon. Whether the magical duplicates hit or miss, the immediately disappear in a puff of black smoke.

Subtle Illusion

Cost: 2 Ninja Arts Points

As a bonus action, you can cast Silent Image requiring no material components.

Swift Stealth Technique

Cost: 1 Ninja Arts Point

Immediately after using the Advanced Movement ability of you Advanced Grappling Hook, you may attempt a hide action as part of the same bonus action.

Vanishing Smoke Bomb

Cost: 2 Ninja Arts Points

As an action you may throw a magic smoke bomb at your feet, turning you invisible for one minute. Your invisibilty ends if you attack or cast a spell.

Advanced Grappling Hook

Starting at 3rd level, your training give you the ability to move around more freely. Climbing no long costs you extra movement.

Additionally, you gain access to an advance grappling hook, a signature tool for all ninjas. The advanced design gives the grappling hook retractability with drawing the grappling hook in requiring no action. The grappling hook is also designed to be attached to a limb without losing functionality. While attached in this way, you do not need a free hand to activate the grappling hook. This grappling hook has the following special abilities:

Advanced Movement As a bonus action, you may target a point within 30 feet of you not occupied by another creature. Your grappling hook pulls you to that point with blinding speed. This movement does not provoke opportunity attacks.

Advanced Grappling As an action, you may target one creature within 15 feet of you and strike them with your grappling hook. The creature must succeed on a Dexterity or Strength saving throw equal to your Ninja Arts Save DC or be grappled. A creature who is more than one size category larger than you automatically succeeds on the save. While grappled in this way you may as bonus action move the creature up to 15 feet in a direction closer to you.

A Well Trained Eye

Starting at 9th level, your skills in precise movement and illusion have allowed you to easily spot when things are out of place and when someone attempts to manipulate you. You are now immune to being charmed. Additionally you gain advantage on Intelligence (Investigation) checks to determine if something is an illusion.

Ninja Clones

At 13th level your attunement to the Ninja Arts grants you the ability to produce clones to protect you in combat. You may cast the Mirror Image spell. While under the effects of your casting of this spell, if a creature hits one of your duplicates with a melee attack, you may use your reaction to make one weapon attack against the creature. This attack is made with advantage.

Once you cast Mirror Image in this way, you cannot do it again until you finish a long rest.

Focused Fighter

By 17th level your mastery in combat allows you to strike your target even when it appears impossible. None of your attack rolls against other creatures can have disadvantage.