Reverse damage boost

Anti-damage boost (ADB), also known as reverse damage boost (RDB) (no official name), refers to effects that apply a negative amount of damage boost, causing the affected demon to deal less damage. This is not the same as damage reduction, which works on the target's end and is much more potent.

Mechanics

Anti-damage boost is applied to the same part of the formula that normal damage boosts are. For more details, see Damage Formula.

• Due to this, anti-damage boost directly counteracts normal damage boosts.
• For example: if a demon has a total of +90% damage boosts (from passive skills such as Fire Amp, skill levels, panels, aura, etc), and they face a party that has Cleopatra (applies -60% damage dealt), then that partially cancels the demon's damage boosts (90 - 60). This results in a total of +30% damage boosts instead.

Skills that apply anti-damage boost are usually phrased as affecting the damage the enemy deals, rather than the amount of damage your party takes/receives. For effects that decrease the damage your party receives (and in a much-more-potent way), see damage reduction.

Appliers

Skills that apply anti-damage boost to enemies

Type	Name	MP Cost	Target	Amount	Conditional?	Skill Points	Exclusive?
Passive	Covenant Bless	Passive	All Targets	40% Fire/Light	-	-	Mithras
Passive	Crawling Chaos	Passive	All Targets	25% Magic	Enemies with Gloom	-	Nyarlathotep
Passive	Hand of Glory	Passive	All Targets	60% All	Enemies with Curse	-	Nebiros
Passive	Hedonistic Reaper	Passive	All Targets	25% Physical	Enemies with Gloom	-	Guedhe
Passive	Peerless Beauty	Passive	All Targets	60% All	Enemies with an Ailment	-	Cleopatra
Passive	Poison Dragon's Sympathy	Passive	All Targets	40% All	Enemies with an Ailment	-	Fafnir
Passive	Sabaoth's Voice	Passive	All Targets	30% All	Enemies with an Ailment	-	Sabaoth
Passive	The Wings of Darkness	Passive	All Targets	40% All	Enemies with Decay	-	Femto
Passive	Unknown Predator	Passive	All Targets	60% All	Enemies with Gloom	-	Old Ones

Demon Panels that apply anti-damage boost

Demon	Panel #	Effect
Baphomet A	Panel 2	Adds Null Mortal. While the one with this skill is alive, all enemies will receive the following effect: -50% to damage dealt, except for when striking a Weak Point.
Cerberus A	Panel 2	+20% to Phys hit rate. Decreases the MP cost of Hell Blaze by 1MP. HP stops at 1 HP upon receiving the first two killing blows. While the one with this skill is alive, all enemies will receive the following effect: -40% to all damage dealt when inflicted with Spirit Chains (Intimidation).
Echidna	Panel 3	+20% to Ice damage. While the one with this skill is alive, all enemies will receive the following effect: When in a state of Gloom, -30% to damage and -60% to ailment infliction rate.
Ladon	Panel 3	+20% to Phys damage. While the one with this skill is alive, all enemies will receive the following effect: When in a state of Gloom, -30% to damage dealt and -40% to Critical hit rate.