Runic Achievement (Third.2 Degree)

When you reach the Third degree of runic achievement you may choose a number of elemental damage types equal to your proficiency bonus. Each level that your proficiency bonus increases, you may choose an additional damage type.

You may imbue one non-magical weapon or object that you are holding with one of these elemental damage types with a 1 hour long ritual, in which you must maintain contact with the weapon or object and maintain concentration on the element as if concentrating on a spell. The weapon will then deal an additional 1d4 of the damage type you have chosen. You may increase the damage dealt by lengthening the ritual. 2 hours makes the weapon deal an additional 1d6; 4 hours, deals 1d8; and 8 hours, deals 1d10 of the chosen type.

No matter the length of the ritual, the elemental imbuement lasts for a number of days equal to half of your Intelligence score.

You may imbue a number of weapons or objects equal to you Intelligence modifier. If you have reached this limit, these weapons or objects have not expired, and you attempt to imbue another, the first imbued weapon or object ceases to function and returns to it's normal state.