Merthύvial

Merthύvial is a jet-black longsword, with a plain hilt decorated by a single large pearl in the pommel. The blade appears to be in perfect condition.

Non-legacy functions: +1 adamantine longsword. Before learning the results pf your roll, you can reroll one Diplomacy check per day.

Omen: When unsheathed, the weapon glows with a light the strength of atorch. In combat, this light changes to a deep red, with no change in strength of illumination.

Legacy Rituals

King’s Gift: You must have the weapon passed on to you willingly by its rightful owner or the owner’s rightful heir. If no heirs live, you must perform an attunement ritual with Merthύvial, marking you as the weapon’s new owner.
Cost: 2,500 GP. Feat Granted: Least Legacy (Merthύvial).

Wielder                 Attack                   Save                     Hit Point               Abilities               
Level                     Penalty                 Penalty                 Loss                      
5th                         ---                           ---                           ---                       Detect Thoughts 1/day
6th                         ---                           ---                           4                         ---
7th                         ---                           ---                           ---                       Strength of Kings
8th                         ---                           -1                            ---                       Loyal Servitor
9th                         -1                            ---                           ---                       ---

Attack Penalty: Current penalty to all attack rolls..

Save Penalty: Current penalty to all saving throws.

Hit Point Loss: Cumulative reduction in hit points.

Detect Thoughts (Sp): Starting at 5^th level, once per day, you can use detect thoughts as the spell. The save DC is 13, or 12 + your Charisma modifier, whichever is higher. Caster level 5^th.

Strength of Kings (Su): When you reach 7th level, Merthύvial grants you a +2 enhancement bonus to Strength while you carry it.

Loyal Servitor (Su): At 8^th level, you gain the continual benefit of an unseen servant as the spell. If dissipated by 6 or more points of damage from an area attack, or if it ceases to exist by moving more than 35 feet away from you, the servant re-forms 1 round later in any square adjacent to you. Caster level 5^th.