Devious and Vicious

Devious and Vicious Wielder Requirements
Base attack bonus +2
Persuasive
Intimidate 2
4,616 gold

LEGACY RITUALS
Least: 4,000 gp.

LEGACY ITEM PENALTIES (These do not stack. Highest takes precedence).
Skill Penalty: -1 at 9th, -2 at 10th
Hit Point Penalty: -2 at 6th, -4 at 7th
Save Penalty: -1 at 9th, -2 at 10th
Attack Penalty: -1 at 8th, -2 at 9th

LEGACY ITEM BONUSES
7th - +1 keen kukri (Both)

DEVIOUS ITEM ABILITIES
Devious Synergy (Su): At 5th level, you gain a +5 competence bonus on Bluff checks. When Devious is within 30 feet of its twin, Vicious, this bonus increases to +7.
Devious Eavesdropper (Sp): At 8th level and higher, once per day on command, you can use empathy as the spell. Caster level 5th.
Completed Twin (Su): Once you reach 10th level, when Devious is within 30 feet of Vicious, its effective enhancement bonus is +1 better than normal.

VICIOUS ITEM ABILITIES
Vicious Synergy (Su): At 5th level, you gain a +5 competence bonus on Intimidate checks. When Vicious is within 30 feet of its twin, Devious, this bonus increases to +7.
Vicious Intimidation (Sp): At 8th level and higher, the first time you successfully use Vicious to attack an opponent and deal damage, that opponent must save as if the target of a cause fear spell. The save DC is 11, or 11 + your Charisma modifier, whichever is higher. Caster level 5th.
Completed Twin (Su): Once you reach 10th level, when Vicious is within 30 feet of Devious, its effective enhancement bonus is +1 better than normal.