The Earthbound

Your patron is likely one of the many powerful entities that call the elemental plane of earth their home. Beings such as Sunnis, Grumbar and his twin sons, Entemoch, Ogrémoch, are the source of your mystic arcana. However, some exceptions exist on the material plane as well. Whether it be a solitary stone titan or an ancient gemstone dragon, there is no shortage of earthen elemental patrons looking for willing servants to answer their whims and carry out their bidding.

With the rock and dirt often underfoot, if not around you, warlocks bound to this manner of patron are often attuned to the physicality of the earth. Where many unconsciously accept the natural form of the world around them, an Earthbound warlock may see it as an untamed sculpture to be reshaped and molded into something strong, functional, and enduring, or perhaps something in need of protection.

Earthbound Features

Warlock Level	Feature
1st	Elemental Grit
3rd	Earthen Companion
6th	Boulder Stance
10th	Unshakable Presence
14th	Eldritch Earth Elemental Form

Expanded Spell List

The Earthbound 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.

Tectonic Thergy: At level 11 and 15, an Earthbound warlock can choose the bones of the earth and earthquake spells from the list of available 6th and 8th level spells as part of their Mystic Arcanum (6th Level) and Mystic Arcanum (8th Level) features.

Earthbound Expanded Spells

 

Spell Level	Spells
Cantrips	mold earth
1st	absorb elements, earth tremor
2nd	Maximilian’s earthen grasp, spike growth
3rd	erupting earth, meld into stone
4th	conjure minor elementals, stoneskin
5th	transmute rock, wall of stone
6th	bones of the earth
8th	earthquake

Elemental Grit

At 1st level, the elemental bond with your patron provides you natural protections that are normally obtained by wearing armor. Beyond that, your connection to the earth deepens further into the world below and you can now detect dangers that lurk underfoot.

As an action, you can gain a base AC of 13 + your Constitution modifier if you aren't wearing armor and your skin assumes a stony or crystalline appearance. Additionally, while channeling this ability, your warlock has tremorsense.

A creature with tremorsense can detect and pinpoint the origin of vibrations within a specific radius, provided that the monster and the source of the vibrations are in contact with the same ground or substance. Tremorsense can't be used to detect flying or incorporeal creatures.

Elemental Grit lasts until you end it as a bonus action, you are incapacitated, or you don armor other than a shield.

Earthen Companion

Prerequisite: Pact of the Chain

Starting at 3rd level, an Earthbound warlock is able to choose a dust or mud mephit as their familiar in addition to the list of warlock and animal familiars used as part of the find familiar spell.

Boulder Stance

At 6th level, when you are subjected to an effect that would move you, knock you prone, or both, you can use your reaction to prevent either. You must be on a solid surface to use this ability.

Unshakable Presence

Beginning at 10th level, your patron has imbued you with the unyielding fortitude of a mountain, bolstering the confidence of you and nearby allies. You have advantage on Constitution and Wisdom saving throws. Additionally, allies within a 10-foot radius of your location have advantage on Constitution saving throws.

Eldritch Earth Elemental Form

Starting at 14th level, you can now tap into a larger well of your patron’s primordial energies and assume the form of a towering eldritch earth elemental for a short time. This transformation takes an action to complete and grants the following attributes for 1 minute:

• If your Elemental Grit ability is not active, it activates (if able).
• Size doubles in all dimensions and your weight is multiplied by eight. This growth increases your size by one category-- from Medium to Large, for example. If there isn't enough room for the warlock to double its size, they attain the maximum possible size in the space available.
• All melee weapon and unarmed attacks do 2d10 extra damage and are considered magical for the purpose of overcoming resistance and immunity to nonmagical damage.
• Attacks deal double damage to objects and structures.
• Advantage on Strength checks and Strength saving throws.
• Resistance to all damage types except thunder and psychic damage.
• Gain temporary hit points equal to 1+ your Constitution modifier per every two warlock levels.
• Gains the Earth Glide ability.
  • The elemental can burrow through nonmagical, unworked earth and stone. While doing so, the elemental doesn't disturb the material it moves through.

The form can also be dropped as bonus action. Once you use this feature, you can’t use it again until you finish a long rest.