Dungeons and Dragons RPG Greater Rune - Earth

Also known as - Beithe - Berkana - Black Earth - Fjell - Ground - Jord

Type - Greater Rune
Rarity - Artifact
Original Source - Northern Reaches Gazetteer (dnd-bemci-gaz-07), Unearthed Arcana #9 Runes, Princes of the Apocalypse (dnd-5e-wiz-adv-pota), Midgard Heroe's Handbook (midgard-kob-5e-mhh)

Greater Earth Runic Rules

Runic Overview

Base Rune - Earth - Mystara

Magical Item - Artefact - Greater Rune of Earth

Standard - This rune signifies elemental Earth. The Black Earth. items with this rune are connected to the sphere of earth, and can have their effects altered to this element. You can power the rune by casting a earth spell or dealing acid damage to the rune. You can then make a secret craft check to activate the rune.
Unpowered Rune Bonus (DC 12) - As an action, can cause a weapon with this rune to surroud itself in acid dealing a extra dice of damage with acid lasting for a minute. A item allows you to stabilise or cast the cantrip flame bolt (acid damage) once per day.
Powered Rune Bonus (Initiate/Tier 1/DC 14) - The rune glows with a green light, does not illuminate. The powered rune provides you with resistance to lighting damage. The unpowered options can be used at will instead of daily.
Powered Rune (1st Circle/Tier 2/DC 16) - The rune glows with a green light, illuminating out to 5ft. The powered rune provides resistance to anyone within 5ft. The powered rune makes your acid attacks deadlier. When you have successfully made an attack that deal acid daamge, you may spend a reaction to to deal an extra dice of acid damage powered by the earth rune. Using the reaction deactivates the rune. A practitioner of the Earth secret craft can use the rune to power a 1st Circle ability without Soul Burn, which deactivates the rune.
Powered Rune (2nd Circle/Tier 3/DC 18) - The rune glows with a green light, illuminating out to 10ft. The powered rune provides resistance to anyone within 10ft. The powered rune damage increases to an extra two dice. A practitioner of the Earth secret craft can use the rune to power a 2nd Circle ability without Soul Burn, which deactivates the rune.
Powered Rune (3rd Circle/Tier 4/DC 20) - The rune glows with a green light, illuminating out to 15ft. The powered rune provides resistance to anyone within 15ft. The powered rune damage increases to an extra three dice. A practitioner of the Earth secret craft can use the rune to power a 3rd Circle ability without Soul Burn, which deactivates the rune.
Powered Rune (4th Circle/Tier 5/DC 22) - The rune glows with a green light, illuminating out to 20ft. The powered rune provides resistance to anyone within 20ft. The powered rune damage increases to an extra four dice. A practitioner of the Earth secret craft can use the rune to power a 4th Circle ability without Soul Burn, which deactivates the rune.
Powered Rune (5th Circle/Tier 6/DC 24) - The rune glows with a green light, illuminating out to 25ft. The powered rune provides resistance to anyone within 25ft. The powered rune damage increases to an extra five dice. A practitioner of the Earth secret craft can use the rune to power a 5th Circle ability without Soul Burn, which deactivates the rune.

Ritual - Greater Rune of Earth

Scribe Rune Power (Initiate/Tier 1/DC 14) - When tracing on a living creature, this rune grants that creature advantage on a single Charisma (Diplomacy) check of its choosing. If they already have advantage on the check, they can also add their inspiration dice to the result. Tracing the rune takes 10 minutes, and it remains effected for up to 24 hours. This benefit can be granted only once per day.
Scribe Rune Power (1st Circle/Tier 2/DC 16) - When traced on a living plant, an effect identical to spike growth errupts in a 20ft radius around the rune. Tracing the rune on a plant takes 1 action, and the effect lasts while you concentrate, for up to 10 minutes.
Scribe Rune Power (2nd Circle/Tier 3/DC 18) - Spending 10 minutes to scribe this rune onto melee and ranged weapon, or up to 20 pieces of ammunition. The weapon or ammunition gain a ghostly aura of green acid and deals acid damage instead of piecing, slashing or bludgeoning damage. In addition, you can expend a spell slot to grant the weapon a bonus to attack rolls and damage equal to the spell slots levels divided by three. The effects last for 24 hours, or until you use this property again. If you take soul burn, the effects last until you recover that loss. Once the effect passes the rune fades.
Scribe Rune Power (3rd Circle/Tier 4/DC 20) - You can use this rune in a summoning circle to grant you a bonus to your check equal to your total circles in the craft when dealing with earth elementals. It can be placed as part of a crafting check onto an item to become a permanent (unpowered) rune.
Scribe Rune Power (4th Circle/Tier 5/DC 22) - As a reaction, you can scribe this rune into the casting of a spell to change the damage type to acid. You can as an action, scribe this rune into an existing spell to change the energy type to acid.
Scribe Rune Power (5th Circle/Tier 6/DC 24) - You can draw the rune of air into the air as if it was a surface, and use it like the magical item or other effect. You can draw it on an item or weapon as a fully powered rune.