Camisado
Level SMN: 1
MP 20
Description Diabolos deals physical damage to the target.
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Ruinous Omen
Level SMN: 1
MP Diabolos 2 hour ability
Description Diabolos initiates a massive darkness-based damage attack that reduces the HP of enemies within area of effect by a random percentage.
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Somnolence
Level SMN: 20
MP 30
Description Diabolos initiates an attack that deals damage and weighs the target down.
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Nightmare
Level SMN: 29
MP 42
Description Diabolos initiates an attack that deals darkness elemental damage, putting all enemies within the area of effect to sleep and gradually reduces their
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Ultimate Terror
Level SMN: 37
MP 27
Description Diabolos initiates an attack that decreases attributes of enemies within area of effect.
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Noctoshield
Level SMN: 49
MP 92
Description Diabolos casts a buff that gives party members within area of effect the effect of "Phalanx."
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Dream Shroud
Level SMN: 56
MP 121
Description Diabolos casts a buff that enhances Magic Attack and Magic Defense of party members within area of effect.
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
Nether Blast
Level SMN: 65
MP 109
Description Diabolos delivers a ranged attack that deals darkness elemental damage.
Type Summoning
Skill Summoning
Element Darkness
Avatar Bloodpact Diabolos
For a complete list of where I got this info here is the link and the list of abilities for the rest of the summons:
http://ffxi.somepage.com/search/search.php