Double Rainbow

About
Double Rainbow is a benefit you gain from being in Prism stance from the Shiradi Champion Epic Destiny. It gives you a 7% chance to produce a random effect every time you attack with either a spell, a ranged attack or a throwing weapon. The list of effects is extensive with some effects occurring frequently, others occurring rarely.

Effects are added and removed from this list every patch when there is a new game released, so some of these effects may no longer proc; please use the Discussion page to relate this information.

Effect Listing
Any ability shown in Italics has been either declared discontinued or are extremely extremely rare. Please correct this if you see it proc upon a target.
 * These effects show up on the target effect list, and have a lasting duration:
 *  Arcane Sludge (Permanent): deals 10d16 points of force damage every 2 seconds and seems to be affected by Spellpower.
 * Bees of Xoriat (About 1 minute): Deals piercing damage over time, see Xyzzy
 * Blood Tribute (Permanent): (Does not list as YOUR harmful effects) "You've sacrificed your constitution for temporary gains. This effect is removed by resting or dying." Stacks at least up to 2.
 * Dragon Fire (20 seconds): Fire damage every 2 seconds.
 *  Deep Tar (Permanent): deals 20d6 points of fire damage every 2 seconds and seems to be affected by Spellpower.
 * Every Light Cast's a Shadow (8 Seconds): 1d6 Unholy damage over time. Appears to come from Henshin mystic "Break of dawn", additional data needed if it applies secondary effect (1d2 negative levels on target death to nearby enemies)
 *  Extreme Cold (Permanent): Extreme cold deals 20d6 points of cold damage every 2 seconds.
 * Feedback (18 Seconds): 10d10 Damage when target casts a spell.
 * Festering Wound (4 seconds): Incoming healing reduced by half..
 * Heartseeker Poison: -5% hit points
 * Howler Quills (60 Seconds?): Pierce damage over time, Damage unknown
 * Inferno (6 Seconds): 1d6 fire damage per tick, like Arcane archer Inferno Shot
 * Kobold Costume: No visible effect
 * Loathing of the Queen: -6 to all ability scores and 50% reduced healing.
 * Nail Chewing Maggots (About 1 minute): See Blood Plate
 *  Necrotic Cloud (Permanent): (Does not list as YOUR harmful effects) Small amount of negative energy damage ever 2 seconds.
 * Powerful Spider Demon Venom (1:30?): Substantial amount of unholy damage every 2 seconds.
 *  Storm of Vengeance(Acid Component) (Permanent): Small amount(19-55 Observed) of acid damage every 2 seconds.
 * Shadows Cannot Exist without Light (8 Seconds): 1d6 light damage every 2, stacking up to 10 times. Appears to come from Henshin mystic "Break of dawn".  additional data needs to be done to find out if secondary effect works (1d100 healing to nearby allies upon target death)
 *  Shavarath Lava (Permanent): deals 10d10+24 points of fire damage every 2 seconds and seems to be affected by Spellpower.
 * The Growing Storm (10 Seconds): Target gains On Hit: +1 damage, -2 to hit, Like tempest "growing storm"
 * Tsunami (Knockdown) (8 Seconds): "You've been washed away."
 * Xiaobo's Shock Dust (20 seconds): The target is coated with electrically charged dust and will take damage over time.
 * Xorian Heartburn (30 seconds?): Bane damage over time, from Delirium
 *  (DNT TBD) Rotting (Permanent): deals ? points of untyped damage every 2 seconds. (*Observed 3-24 with 80 potency item. 3d8? 4d4*1.8?)
 * DNT Stunning Blow (Duration ?): Stuns target for a while, appears to have no save


 * These effects are instantaneous, and usually only show up for a brief time to cause its effects:
 * Various types of mines (commonly dc 40+ Web mines)
 * Friends of Nature from the Primal Avatar destiny
 * Summoned animal without Friends of Nature buffs (frog, deer, fox, squirrel, bird)
 * Summoned Efreeti Forgemaster
 * Summoned Portable Hamstorm (What appears to be a pig on an explosive barrel, upon barrel breakage drops 50 hams in a radius around the blast)
 * Summoned Rain of Tasty Ham
 * Summoned Rest Shrine
 * Summoned Bomb (a large mechanical bomb appears and explodes after a short time)
 * Summoned Tasty Ham Storm


 * These spells can be cast under this stance:
 * Prismatic Ray
 * Mass Frog (Single target, Finger of death animation)
 * Black Dragon Bolt (Poison)
 * Rejuvenation Cocoon (Buffs the enemy)
 * Radiant Forcefield (Buffs the enemy)
 * Arcane Blast
 * Cometfall (graphic only, no effect)
 * Grease (on spells only)
 * Fireball
 * Flame Strike
 * Flesh to Stone
 * Greater Command
 * Heal
 * Hellball
 * Quench
 * Sunburst
 * Tactical Detonation (knockdown effect only 13 Seconds)
 * Web

Double Rainbow Effects

 * Note: Effects added have been tested in game. Abilities with no known additional sources are unique effects found nowhere else in the game (that we know of).  All effects appear to have varying duration,and have been rounded to the nearest 5 seconds