"Apocalyptic form", "revelatory form", and "visage" are all the same thing.
Even if you only manifest one effect, you still count as taking your apocalyptic form.
While in your apocalyptic form, physical and mental merits/flaws do not apply. (DPG 75) We interpret "fully" as "to any degree whatsoever".
Custom apocalyptic forms:
- Demons can replace up to two low-torment and two high-torment effects of their apocalyptic form.
- Costs are per DPG chapter 4. (Some are clearly different names for the same thing. Shroud of Flames and Ink Cloud don't appear to be in DPG at all, they're both rated at 2.)
- XP cost is (10*difference) XP if the new effect is more points, free if it's same or fewer. This overrides DPG page 124. This is not available during chargen.
- Multiple form powers that improve the same stat cannot be stacked.
- Multiple form powers that improve two stats used together (probably attribute+ability) can be stacked.

Custom

Modifiers:

Common

Cost	Ability	Description
4	Armor	+4 soak, including agg
2	Casts No Reflection	Affects cameras
1*	Claws/Teeth	Str+2 agg
3	Damage Resistance	No wound penalties until human form resumed
3	Enhanced Ability	-2 diff one ability
3	Enhanced Senses	-2 diff Perception
4	Enhanced Mental Acuity	+4 mental attributes in some pre-selected combination
4	Enhanced Social Traits	+4 social attributes in some pre-selected combination
3	Extra Actions	Spend Faith at start of turn, +1 action per point
3	Extra Health Levels	+3 Bruised
3*	Extra Limbs	Extra arms or prehensile tail (tail is half the demon's height and Strength rounded down)
2*	Gaping Maw	Chew and digest anything, -2 diff bite, Str+4 agg
1*	Horns	Free counter-attack if attacked in close combat, Str-1 agg
3	Improved Attribute	+2 one attribute
1	Improved Initiative	+2 init
3	Increased Size	1/3 taller, +2 Strength, +1 Stamina, +1 Bruised, -1 diff to hit demon in ranged or melee (not unarmed)
1*	Lashing Tail	Str-1 agg
2	Pass Without Trace	-2 diff Stealth, no footprints or other physical evidence
4	Regeneration	Heal 1 bashing/lethal per turn as automatic reflex
3-4	Wings	Extend to 1/3 longer than demon's height, glide at 3x running speed, 4 = take off from standing position and gain altitude

Cost	Ability	Description
3	Alter Size	Down to 1/3 normal volume, +2 diff to hit the demon
3	Distortion	+2 diff to hit the demon with ranged attacks, +1 diff with close (unarmed/melee) attacks, other demons see through the illusion as usual
1	Enhanced Empathy	-2 diff Empathy
1	Enhanced Intuition	-2 diff Intuition
2*	Ichor	+2 diff to clinch/grapple/hold the demon
2	Immune to Electricity	Negate all damage
2	Improved Dexterity	+2 Dexterity
2	Ink Cloud	Targets within (Faith) feet roll Stamina to avoid being blinded for (Torment) turns, cloud lingers for (Torment) turns
1	Lyrical Voice	-2 diff Leadership and Subterfuge
3	Sea's Beauty	+2 Charisma, +1 Manipulation, +2 Appearance
3*	Shark Hide	+4 soak, including agg
2	Shocking Touch	(Faith) bashing once per scene
2	Spines	Unarmed +1 level agg
3*	Venom	Bite / open wound / kiss: roll Stamina to avoid losing (Torment) Willpower, lose all Willpower this way = coma, effects last (Torment) days
1	Weather Sense	Sense changes within Faith*10 miles

Cost	Ability	Description
3	Affirm	Roll Faith, success = target mortal (eye contact) +1 temp Willpower
2	Beckon	Mortal fails Revelation check = tries to follow the demon and keep them in sight until attacked or shaken
2*	Corrosive Spit	Bite (+1 level agg) or spit up to 10 feet (roll Dexterity, 1 agg per success)
4	Dread Gaze	Target (eye contact) rolls Willpower vs 7 or loses actions that turn
4*	Fiery Blood	Flammable objects burn on contact, opponent damaging demon in close combat takes 1 level lethal
3	Immune to Fire	Negate all damage from fire/heat
2	Increased Awareness	-2 diff Awareness
2	Inhuman Allure	+2 Charisma, +1 Manipulation, +1 Appearance
2	Lordly Mien	-2 diff Charisma, Manipulation
1	Radiant Aura	+1 diff to hit the demon with ranged attacks
3*	Scales	+4 soak, including agg
1	Sense the Hidden	-2 diff Perception to spot targets hidden within line of sight
3	Spark of Faith	Faith vs target (touch) mortal's Willpower, heal 1 bashing per success; if high-torment, roll Torment instead and inflict damage
2*	The Host	Str+3 agg per turn during grapple
1	Voice of the Damned	-2 diff Intimidation

Cost	Ability	Description
4	Aura of Vitality	Living things within (Faith) yards heal 1 bashing per turn
1	Chameleon Skin	-1 diff Stealth while moving, -2 while still
3*	Disperse	Roll Torment to transform, attacks as a swarm of small bugs (Demon Storytellers Companion page 72) that does agg
3	Enhanced Social Traits	+1 Charisma, +1 Manipulation, +2 Appearance
1	Enhanced Survival	-2 diff Survival
2*	Frenzy	No wound penalties, each turn roll Willpower vs Torment (may spend Willpower for auto-success) or attack nearest person (friend or foe) with whatever's handy
3	Immune to Poisons	Negate all damage/impairment from toxins, including alcohol/nicotine
3	Natural Weaponry	Claws/Teeth, Gaping Maw, Horns, Lashing Tail, or Spines; may be low-torment
3	Nimble Hunter	-2 diff Athletics, x2 leaping distance
3*	Primal Mind	demon rolls Torment, target (touch) mortal rolls Willpower, demon gets more successes = target loses all knowledges and most skills (may exclude e.g. Stealth/Survival) for the scene and acts on survival instinct
1	Relentless	Walk/run indefinitely without fatigue/hunger
2	Sun's Bounty	Once per day, stand in direct sunlight for an hour to heal all bashing or 1 lethal/agg
2	Thick Hide	+4 soak, including agg
1	Thorns	Opponent striking unarmed or grappling demon takes 1 level agg
3*	Toxins	Claw / bite / open wound / kiss: (Torment) lethal, soakable

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