Artifact Properties; Major Beneficial Properties

d100	Property
01-20	While attuned to the artifact, one of your ability scores (DM's choice) increases by 2, to a maximum of 24.
21-30	While attuned to the artifact, you regain 1d6 hit points at the start of your turn if you have at least 1 hit point.
31-40	When you hit with a weapon attack while attuned to the artifact, the target takes an extra 1d6 damage of the weapon's type.
41-50	While attuned to the artifact, your walking speed increases by 10 feet.
51-60	While attuned to the artifact, you can use an action to cast one 4th-level spell (chosen by the DM) from it. After you cast the spell, roll a d6. On a roll of 1-5, you can't cast it again until the next dawn.
61-70	As 51-60 above, except the spell is 5th level.
71-80	As 51-60 above, except the spell is 6th level.
81-90	As 51-60 above, except the spell is 7th level.
91-00	While attuned to the artifact, you can't be Blinded, Deafened, Petrified, or Stunned.