After studying an ancient scroll found deep in the mountains this way of martial arts was born 

Dragon Spear Proficiency - Lashing Dragon’s Tail Technique

Dragon Spear Proficiency
At the 3rd level, after selecting this archetype you master the use of spear, trident, quarterstaff, pike, javelin, or lance. These are considered Monk Weapons for you.

Lashing Dragon’s Tail Technique
After choosing this archetype at the 3rd level, you gain a +1 to your Armor Class while wielding a spear, trident, quarterstaff, pike, javelin, or lance, and wearing no armor. When you use your Martial Arts or Flurry of Blows Feature you can perform your additional attacks with your spear dealing your damage die + mod

Basic Stance/ Perfected Stance

Basic Stance
At 6th level, you finally understand the basic stance that has been lost to time, in battle you are able to expand your aura in a 5-foot circle around you. If any enemy passes through this you are able to make a reaction and attempt to attack them with your spear. if you fail the attack roll your stance is lost and you can use a bonus action to regain your footing. When you are in this stance your weapon counts as magical to get over resistances

Perfected Stance

At 13th level, your understanding of this stance is expanded and your aura can stretch to 10 feet around you. when an enemy enters your 10 feet circle you are able to make an attack with an advantage but if you fail this attack you lose your concentration and your aura goes back to a 5-foot circle until you use an action to regain your stance and concentration.

Evasive Leap

Evasive Leap
At 11th level, the swiftness with which you launch yourself is incomparable. When you make a dexterity saving throw you can spend 2 Ki to grant yourself an advantage on the save. On a success, you immediately initiate your Lancer Leap as if you’d taken the attack action.

The Tail of the dragon

The tail of the dragon
At 17th level, your understanding of the arts passed down from the dragons has reached the pinnacle, your spear has a faint glow after landing consecutive blows on an enemy, after three attacks your energy has charged into your spear and you are able to release a 15 foot long by 5-foot wide blast of fire from your spear which deals 3D10 Fire damage