Wondrous Item, very rare (requires attunement by a This magic item is attuned to your body over hours of implanting the gem and receiving the tattoos design around it.)
This tattoo appears like chains constructed from arcane sigils extending from the gem. A circle of sigils surrounds the gem, as the chains extend in various directions over the arm. This can be used as an arcane focus, and the tattoo and gem glow in various ways as magic is channeled through them.
- +1 bonus to spell attacks rolls and saving throws
- Once per day, whenever you cast a spell that concerns rolling dice, you may increase the number of dice rolled by 1. For example, a third level Fireball may be amplified to do 9d6 damage.
- Other spells may hypothetically be amplified at the DMs discretion. Such amplification may require a spellcasting modifier check and failure may result in harm to oneself.
- You may use this feature again at the cost of rolling 2 of your hit die and reducing the rolled number from your hp as force damage that cannot be reduced in any way (based on the class of the spell cast, so Wizard spells would result in taking 2d6 damage). You also lose those 2 hit die.
- You may also attempt to overload your amplification and increase the dice rolled by 2 (in the above example, to 10d6) at the same cost.
- Once per day, whenever you cast a spell that concerns rolling dice, you may increase the number of dice rolled by 1. For example, a third level Fireball may be amplified to do 9d6 damage.
Notes: Bonus: Spell Attacks, Bonus: Spell Save DC, This magic item is attuned to your body over hours of implanting the gem and receiving the tattoos design around it.