Magic Items

Generic variant, rare
Major tier
You gain a +1 bonus to attack and damage rolls made with this magic weapon.

When you hit a dragon with this weapon, the dragon takes an extra 3d6 damage of the weapon's type. For the purpose of this weapon, "dragon" refers to any creature with the dragon type, including dragon turtles and wyverns.

Elemental Essence Shard (earth)
Wondrous item, rare (requires attunement by a sorcerer)

This crackling crystal contains the essence of an elemental plane. As an action, you can attach the shard to a Tiny object (such as a weapon or a piece of jewelry) or detach it. It falls off if your attunement to it ends. You can use the shard as a spellcasting focus while you hold or wear it.
When you use a Metamagic option on a spell while you are holding or wearing the shard, you can use the following property: You gain resistance to a damage type of your choice until the start of your next turn.

Spellwrought Tattoo (haste)
Wondrous item (tattoo), uncommon

Produced by a special needle, this magic tattoo contains a single 3rd level spell, wrought on your skin by a magic needle. To use the tattoo, you must hold the needle against your skin and speak the command word. The needle turns into ink that becomes the tattoo, which appears on the skin in whatever design you like. Once the tattoo is there, you can cast its spell, requiring no material components. The tattoo glows faintly while you cast the spell and for the spell's duration. Once the spell ends, the tattoo vanishes from your skin.
The ability modifier for this spell is +4; the save DC is 15 and the attack bonus is +7.