Weapon (longsword), very rare (requires attunement)
Martial weapon, melee weapon
1d8 slashing - versatile (1d10)
You gain a +1 bonus to attack and damage rolls made with this magic weapon.
While you are holding this sword, you can use it as a spellcasting focus.
Any Divination cantrips you cast while using this sword can be cast with a bonus action. Additionally, when casting any Divination spell, you are considered to take the Dodge action as well.
When attacking creatures you cannot normally see (like invisibility), you are not imposed with disadvantage when that status would normally grant it.