FF7/Battle/Attack Special Effects

Attacks and Items can have additional Special Effects that take place after Damage Calculation is performed. Several of them take a Modifier that further defines what action to take. If the Effect doesn't take a modifier, the modifier is NULL (FFh). Here are the valid values (between 0 - 23h) with examples of some attacks that have these values. If another value is provided it will be ignored.

Value	Effect	Attacks with this Property
00	Multiple [Modifier] hits	Comet2, Ultimate End, Vincent's Hellmasker's attack: "Splattercombo"
01	If all enemies are immune to statuses attempted to inflict, perform Gunge Lance	Steel Bladed Sword
02	Randomly summon Fat-Chocobo at rate of [Modifier]	DeathBlow!!
03	Caster's Main Script takes control and become [Modifier]	Vincent's Limit Breaks
04	Cause back-attack damage to target in row [Modifier] (Physical damage calculations only)	Aps' Tsunami (there are two of these)
05	End battle, no reward	Escape
06	Steal Gil from target (No affect on players' attacks)	Bandit's "Hold Up"
07	Steal Item from target (No affect on players' attacks)	Bandit's "Mug"
08	Randomly select one of the next six animation indexes to display	Cait Sith's Slot: Toy Box
09	Damage based on Attacker's level/Target's level	Goblin Punch
0A	Mimics Damage Calculation A0	NOT USED
0B	If Actor at or below 1/4 HP, Damage Multiplier +1 If Actor inflicted with Death Sentence, Damage Multiplier +2 [can stack]	NOT USED
0C	Mimics Damage Calculation A2	NOT USED
0D	AIData+0x48 = average enemy level (unknown effect)	NOT USED
0E	Resurrect Dead Allies	Rebirth Flame
0F	Bring up Slot Wheel	Cait Sith's "Slot" Limit Break (NOTE)
10	Removes other allies from battle and gives their stats to caster	Cait Sith's Slot: Transform
11	Removes target from battle and flags as if "Death"	Ruby Weapon's "Whirlsand"; Ghost Ship's "Goannai"; Carry Armor's Arms' "Arm Grab"
12	Removes target from battle and flags as escaped (no reward)	Midgar Zolom's "Blown Away"
13	Perform Critical Hit based on result of slot	Tifa's Limit Breaks (NOTE)
14	Fills limit gauge of other allies	Aeris's Limit Break: "Fury Brand"
15	Alters physical and magic damage and defense addition by [Modifier]-100 (Stackable, max value can be from -100 to 100)	Hero Drink
16	Give party members status [Modifier]?	Red XIII's Limit Break: Lunatic High (Modifier of 96h)
17	Give caster/target statuses [Modifier]?	Red XIII's Limit Break: Howling Moon (Modifier of A0h)
18	Perform Attack/Item [Modifier] upon completion	Vincent's Limit Break: "Satan Slam"; Cloud's Limit Break: "Finishing Touch"
19	All Targets' Rows are changed	Hell Rider V2's "Electromag"
1A	Perform attack [Modifier] on other row members	Blade Beam
1B	Removes Caster from battle and flags as escaped	Various Enemies' "Escape"
1C	Alters base damage and defense by [Modifier]% (Stackable, not to exceed 200)	Dragon Force
1D	Returns Target from Escaped status	Carry Armor's Arms' <unnamed>
1E	AIData[0x48] = AIData[0xC4] * 3 * ((*DWORD)0x9A8B4C[CurrentActor]) / MHP (unknown effect)	NOT USED
1F	AIData[0x48] = AIData[0xC4] * 3 * ((*DWORD)0x9A8B4E[CurrentActor]) / MMP (unknown effect)	NOT USED
20	Similar to above, but using Equipped Materia's Level AP / 10000 (unknown effect)	NOT USED
21	Similar to above using different factors (unknown effect)	NOT USED
22	Similar to above using different factors (unknown effect)	NOT USED
23	Receive no Gil from enemy hit by this attack	Remove

NOTE: For these two Effects, if they are not called as part of a Limit Break they will return an index of 0.
For Effect 0Fh, this means performing "Game Over" and ending the battle in a victory.
For Effect 13h, the player's characters' battle queues freeze and no PC can perform any action after this was selected. Enemies still attack. The reason for this is unknown.