Dexterous and nimble, agile and swift. These are things expected of many monks. Fists like the wind and feet like lightning and masters of the martial way, Some monks however choose a different path. Some take their bodies and hone them to be the perfect vessels. Monks of the Iron mountain forge muscle into steel, bone into iron, and spirit into an unshaking mountain. 

Iron body.

Solid: Monk features that require your dexterity can use strength instead. Additionally Weapons with the 2 handed and heavy tags may be used as monk weapons for you. 

Iron Body: When ever you spend at least 1 Ki point you may gain temporary hit points equal to your Strength Mod + 1 martial arts die. 

Ki infused Strength: When you make any ability check or save that uses strength you may spend a ki point to add a roll of your martial arts die to the total. 

 

Steel Skin

Steel Skin: Your base AC before adding Wisdom and Dex(Strength) is 12 and can not be reduced below this point in any way. 

Solid Knuckles: You may add your proficiency bonus to damage rolls made with your unarmed strikes and monk weapons. 

Shake mountains: You gain a new way to spend your Ki points. on your turn as part of your attack action you may spend 2 ki points and stop the ground in place of one attack. Creatures within 5 feet of you must make a dexterity saving throw or be knocked pron. 

Iron Fortress

Iron Fortress: On your turn as an action you may spend up to your strength score in Ki points to enter an Iron Fortress stance. During this time your speed becomes 0, you can not be unwillingly moved and you become immune to the prone condition. You gain a number of temporary hit points equal to 10 times the number of Ki points spent + your monk level. YOu loose these temporary hit points if you move at least 5 feet or end Iron Fortress as a free action. 

Taunting mountain: As a bonus action you may spend 2 ki points to attempt to make your self appear as the biggest threat on the battle field. Every creature of your choice within 10 feet of you must make a wisdom saving throw or have disadvantage on attacks that do not target you. The Range of Taunting Mountain can be increased by 5 feet by spending 1 addition Ki point to a maximum of 30 feet. 

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Quaking Fist: On your as an action you may charge your muscular body with pure power to unleash a single devastating attack. Spend 3 ki points and make an attack roll at advantage. If the attack hits it deals damage equal to Your Strength Score + Your strength modifier in martial arts die. You may add additional Martial arts die to this damage roll by spending additional Ki points to a maximum of 10 martial arts die. When you strike a creature with this attack you may chose to send them flying backwards a number of feet equal to the damage dealt rounding up. This attack counts as an attack action for monk features that require one such as the monks bonus action attack, flurry of blow, or stunning strike.