The Great Machine

Your Patron derives from the essence of perfect order that defines the plane of Mechanus.  While you are not directly bound to Primus, the overlord of the Modrons of Mechanus, you serve the Great Machine that serves him.

Connection to Mechanus can (and often does) bring about changes in behavior, such as regimented eating habits and fastidiousness regarding your appearance.  You also may find yourself embracing more Lawful tendencies if you are not already of that temperament/alignment.  The calling of the Great Machine compels you to bring order to chaos in whatever way that you can. 

Expanded Spell List

The Great Machine lets you choose from an expanded list of spells when you learn a warlock spell. The following spells are added to the warlock spell list for you.

Great Machine Expanded Spells

SPELL LEVEL	SPELLS
1st	grease, magic missile
2nd	acid arrow, see invisibility
3rd	glyph of warding, protection from energy
4th	fabricate, private sanctum
5th	animate objects, commune

Bonus Cantrips

At 1st level, you learn the acid splash and guidance cantrips. They count as warlock cantrips for you, but they don’t count against your number of cantrips known.

Probability Distribution

At 1st level, you gain the ability to channel the absolute order of Mechanus.  Whenever you make an attack roll, an ability check, or a saving throw, you can forgo rolling the d20 to get a 10 on the die. You can use this feature a number of times equal to your Charisma modifier (a minimum of once). If a creature utilizes a Luck point on that same result, the abilities cancel each other out, and you roll to determine the result as normal. You regain any expended uses when you finish a long rest.

At 6th level, this ability extends to any attack roll, ability check, or saving throw made by individuals around you.  As a reaction, you can impose a die result of 10 to what would have been a d20 roll made by any creature within 60 feet of you.  As above, if a creature spends a Luck point on the same result, the abilities cancel each other out and the result is determined as normal.  You only may use Probability Distribution once per round, either for yourself or to affect someone else.  

In addition, beginning at 6th level, you regain all of your expended uses of Probability Distribution when you finish a short or long rest.

Mind of the Machine

Starting at 6th level, your link to Mechanus grants you a mind of mechanical efficiency.  You have advantage on saving throws against being frightened or charmed and on any ability check to recall information using arcana, history, or religion.

Ablative Armor

Starting at 10th level, you may choose to summon protective energies from Mechanus whenever you cast a Warlock spell with a Pact Magic spell slot.  These energies form shimmering plates of spectral armor that absorb incoming damage.  The armor has a hit point maximum equal to twice the slot level of the spell cast + your Charisma modifier.  Whenever you take damage, the armor takes the damage instead.  If this damage reduces the armor to 0 hit points, the armor shatters, and you take any remaining damage.

You only may have one set of ablative armor active at any one time.  You may summon the armor again if it has shattered by casting a Warlock spell with a Pact Magic spell slot.  In addition, you have advantage on saving throws against any spell or effect that would alter your form while the armor is active.

Pentadronic Exhalation

Starting at 14th level, your connection with Mechanus allows you to borrow a Pentadrone's power.  As an action, you may exhale a 30-foot cone of gas. Each creature of your choice in that area must succeed on a Constitution saving throw against your spell save DC or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Once you use this feature, you can’t use it again until you finish a short or long rest.