*Unite attacks in this game seem to apply the enemy's PDF against each character involved in the unite. So a 1x dmg unite is expected to do the same total damage as the characters normal attacking separately.*
Any participant of the unite that the item affects can equip the item for it to work.
Leisure Set - increases chance of getting the version of
Family Attack where Nanami sits, eats, etc, does not go Unbalanced and recovers HP after the unite
Cup of Promise - increases
Manly Attack's chance to Knockdown to 30%;
Bandit Attack deals 2x dmg (original is 1.5x dmg)
Dog Whistle - increases odds of performing
100 Kobold Attack (3x dmg to all) instead of the
Kobold Attack; chance with Dog Whistle is 25%, original chance is 20%.
Rose Bouquet - not sure of effects on
Narcissus Attack (Doesn't this unite have a chance of causing Sleep? If so, it probably increases the chance because it does not increase damage or change the effects)
Secret Writings -
Ninja Attack deals 2x dmg (original is 1.5x dmg)
Invincible Smile -
Pretty Boy Attack deals 2x dmg (original is 1.5x dmg) and 40% chance of Instant Death (original is 25%).
Sexy Wink - increases chance of Sleep for
Beauty Attack and
True Beauty Attack. The original chance of Sleep is 70%, increased chance is unknown.
*Beauty Attack and True Beauty Attack both deal 0.25x dmg, not 1x damage described in game
Millet Dumplings - makes all allies (Riou) berserk after performing
Beastmaster Attack*you can use a cheat device to have all monsters... i found that Rulodia can't unite with Feather or Sigfried for this attack
Lubricating Oil -
Trick Attack deals 1.5x of Gadget's ATK (original is 1x dmg of Gadget's ATK)
Sunglasses - protection from
Flash Attack damage; this item is for allies NOT taking part in the unite