Power: Can take two turns in a row. Activate anytime during first turn.
Power Bars: 3
Charge Rate: 3.0
Charge Tile: South Wind
Artist: Unknown
Chen
Power: Doubles the value of a reach. Normal reach becomes two yaku, and double reach (reaching on the first turn) becomes four yaku. Activate when reaching.
Power Bars: 2
Charge Rate: 1.6
Charge Tile: 1 of dots
Artist: やむっ (Yamu/Reverse Noise)
Cirno
Power: Picks one player at random (including herself) who must discard every tile they draw for four turns.
Power Bars: 2
Charge Rate: 1.8
Charge Tile: 1 of characters
Artist: 牛木義隆 (One Night Stand)
Daiyousei
Power: Discards hand and draws a new one from the wall. Old tiles are shuffled back into the wall. Can only be activated on your first turn.
Power Bars: 1
Charge Rate: 1.8
Charge Tile: 1 of characters
Artist: Unknown
Eirin Yagokoro
Power: Guaranteed to draw character tiles for five turns.
Power Bars: 1
Charge Rate: 2.0
Charge Tile: 9 of bamboo
Artist: 如月亮 (Sougetsu-Tei)
Flandre Scarlet
Power: Guaranteed to draw wind tiles for the remainder of the hand in which the power is activated (draws return to normal if there are no wind tiles in the wall).
Power Bars: 1
Charge Rate: 1.2
Charge Tile: East Wind
Artist: はせがわけいた (Vitamin Rice)
Hieda no Akyu
Power: You are shown the next 6 tiles you will draw (assuming that the turn order remains the same, i.e. no one pon's out of turn).
Power Bars: 1
Charge Rate: 1.2
Charge Tile: West Wind
Artist: Unknown
Hina Kagiyama
Power: Can be activated when declaring Ron. The person who deals into your hand will receive the worst hand next round. This consists of 1, 4, 7 in one suit; 2, 5, 8 in another suit; 3, 6, 9 in the last suit; as well as four different honor tiles.
Power Bars: 1
Charge Rate: 1.8
Charge Tile: 1 of characters
Artist: たくずぃー
Hong Meiling
Power: Make herself the wareme. (The player whose wall was broken first at the start of the hand; pays and receives double.)
Power Bars: 1
Charge Rate: 1.5
Charge Tile: Chun
Artist: カキヤザクロ
Iku Nagae
Power: Doubles the number of han in a hand won by ron, excluding han from dora and not including yakuman hands.
Power Bars: 1
Charge Rate: 1.1
Charge Tile: Hatsu
Artist: シロガネヒナ (Shirogane Hina/Milk Bar)
Kaguya Houraisan
Power: Draws dora tiles for the next two turns, assuming it is conceivable they could be drawn (you don't get anything if none are left in the wall).
Power Bars: 1
Charge Rate: 2.0
Charge Tile: 9 of bamboo
Artist: 霧咲白狐 (Sea Fox)
Kanako Yasaka
Power: Ensures that you will draw the "seed" of a one suit straight (1 through 9 in a single suit) next round. This appears to mean 7 of the 9 tiles necessary for that straight. Information needed
Power Bars: 1
Charge Rate: 1.7
Charge Tile: 9 of characters
Artist: 犬衛瑞樹
Keine Kamishirasawa
Power: Resets the magic meter of an random opponent to zero.
Power Bars: 1
Charge Rate: 1.8
Charge Tile: 1 of bamboo
Artist: カキヤザクロ
Keine Kamishirasawa (EX)
Power: Reduces all opponents' magic meters to zero.
Power Bars: 1
Charge Rate: 2.2
Charge Tile: East Wind
Artist: Unknown
Kisume
Power: Activates when she wins off a discard from someone else. That person must discard their draws for the first 3 turns of the next round.
Power Bars: 1
Charge Rate: 1.6
Charge Tile: 1 of bamboo
Artist: 佐倉
Koakuma
Power: Replace 3 tiles randomly from your hand on turn 1.
Power Bars: 1
Charge Rate: 1.9
Charge Tile: 1 of characters
Artist: むむむ (Mumumu)
Koishi Komeiji
Power: Makes her discards unable to be taken for a Chi, Kan, or Pon. (Ron is still possible.)
Power Bars: 1
Charge Rate: 1.8
Charge Tile: West Wind
Artist: はるのひと
Komachi Onozuka
Power: Scrambles all other players' power bars by a random amount - you might increase their bar as well as decrease it.
Power Bars: 2
Charge Rate: 2.0
Charge Tile: 1 of characters
Artist: ひねもすのたり
Letty Whiterock
Power: The next player to make a pon must discard their next draw.
Power Bars: 3
Charge Rate: 2.8
Charge Tile: 1 of dots
Artist: Unknown
Lily White
Power: Switches all the Haku tiles in your hand with tiles you select from your discard pile.
Power Bars: 1
Charge Rate: 1.4
Charge Tile: 1 of dots
Artist: KAZAMI澪 (Luft Frost)
Lunasa Prismriver
Power: Unflips all dora indicators except for one. (needs information)
Power Bars: 1
Charge Rate: 2.4
Charge Tile: 9 of dots
Artist: Unknown
Luna Child
Power: For one turn after invoking, you can call a Chi from any player, not just the one to your left.
Power Bars: 2
Charge Rate: 1.9
Charge Tile: West Wind
Artist: Unknown
Lyrica Prismriver
Power: Replaces a random tile from your hand with a tile of your choice from all players' discards.
Power Bars: 3
Charge Rate: 2.7
Charge Tile: 9 of dots
Artist: Unknown
Maribel Han
Power: All player and table special effects are cancelled.
Power Bars: 2
Charge Rate: 1.6
Charge Tile: West Wind
Artist: ともえひむろ (Quarter Iceshop)
Marisa Kirisame
Power: Picks one tile type (i.e. 5 of Bamboos, Red Dragon, etc) in your hand and turns it red, making it a dora tile and worth one yaku. If you have multiple of this tile, all will be turned red.
Power Bars: 2
Charge Rate: 2.0
Charge Tile: 1 of characters
Artist: 呑んべぇ会
Maybell
Power: Removes a Dealer Ante stick.
Power Bars: 2
Charge Rate: 2.0
Charge Tile: 9 of characters
Artist: Unknown
Medicine Melancholy
Power: Resets the power gauge of the player who deals into a hand to zero.
Power Bars: 1
Charge Rate: 1.4
Charge Tile: South Wind
Artist: しゃおみん (Shaomin)
Merlin Prismriver
Power: Reveals another dora tile, as if a quad had been declared.
Power Bars: 2
Charge Rate: 1.6
Charge Tile: 9 of dots
Artist: Unknown
Minoriko Aki
Power: When winning, adds 30 fu to your hand's points.
Power Bars: 2
Charge Rate: 2.0
Charge Tile: 1 of characters
Artist: Unknown
Mokou no Fujiwara
Power: Winning hands less than mangan are reduced to 0 points.
Power Bars: 1
Charge Rate: 2.0
Charge Tile: East Wind
Artist: うりうり (Uri Uri)
Momiji Inubashiri
Power: For the remainder of the round, sense whether other players are in tenpai. (Their names turn red.)
Power Bars: 1
Charge Rate: 2.2
Charge Tile: 9 of characters
Artist: 柚子桃
Mystia Lorelei
Power: Prevents all players from seeing any hand or discard pile but their own for 6 turns.
Power Bars: 2
Charge Rate: 1.6
Charge Tile: 1 of bamboo
Artist: れいあ (Reia)
Nitori Kawashiro
Power: Discards her tiles face down for 6 turns.
Power Bars: 1
Charge Rate: 2.2
Charge Tile: 1 of characters
Artist: Unknown
Patchouli Knowledge
Power: Prevents her from drawing any wind tiles for the remainder of the hand in which it is activated.
Power Bars: 1
Charge Rate: 1.3
Charge Tile: 9 of characters
Artist: Katzeh
Parsee Mizuhashi
Power: Removes two han from an opponent's winning hand. (Does not affect ryanhan shibari restrictions. Has no effect on yakuman hands.) Information needed
Power Bars: 1
Charge Rate: 1.7
Charge Tile: 1 of bamboo
Artist: 茜屋
Ran Yakumo
Power: When reaching, the probability of drawing a winning tile is fixed. This probability decreases with the number of possible winning tiles you have.
Power Bars: 1
Charge Rate: 1.5
Charge Tile: Hatsu
Artist: むむむ (Mumumu)
Reimu Hakurei
Power: For the next 6 turns, players cannot Ron off your discards.
Power Bars: 1
Charge Rate: 1.3
Charge Tile: 1 of characters
Artist: 葉庭 (Haniwa's Store)
Remilia Scarlet
Power: Turn 1~4 tiles in your hand into Red Dora tiles. Works even for honor tiles (e.g. Chun, East Wind)
Power Bars: 1
Charge Rate: 1.1
Charge Tile: 9 of characters
Artist: タカハル (Takaharu/Kenzen)
Reisen
Power: Causes any win in the current round to be treated as a tsumo (all players pay), even if it was not caused by self-draw.
Power Bars: 1
Charge Rate: 1.2
Charge Tile: Hatsu
Artist: Unknown
Reisen U. Inaba
Power: Neutralizes any red tiles, making them normal tiles and no longer dora tiles.
Power Bars: 1
Charge Rate: 2.2
Charge Tile: 9 of bamboo
Artist: 夏海あきら (Summer Sea)
Renko Usami
Power: Imposes a time limit on every action performed, starting at 10 seconds and reducing by 2 seconds for every successive use of the power, with a lower limit of 4 seconds. The time limit lasts until the end of the round.
Power Bars: 3
Charge Rate: 2.4
Charge Tile: West Wind
Artist: ともえひむろ
Rin Kaenbyou
Power: Exchange one tile in your discard pile with any tile in your hand.
Power Bars: 1
Charge Rate: 2.0
Charge Tile: 9 of bamboo
Artist: kurudaz
Rinnosuke Morichika
Power: An exclamation mark will appear over any tiles in your hand that will cause another player to win. Essentially, a warning to prevent you from dealing into other players' hands. Lasts only for one turn.
Power Bars: 3
Charge Rate: 2.4
Charge Tile: West
Artist: Unknown
Rumia
Power: Hides her hand and discard pile for X turns. (needs information)
Power Bars: 2
Charge Rate: 1.6
Charge Tile: 1 of characters
Artist: レイぽそ (Reiposo)
Sakuya Izayoi
Power: Can select three tiles from her hand and shuffle them back into the wall, receiving three different tiles. (needs confirmation)
Power Bars: 1
Charge Rate: 1.2
Charge Tile: 9 of characters
Artist: 虎
Satori Komeiji
Power: Reveals one player's hand at random. The tiles will stay revealed for the rest of the hand; however, any new tiles they draw will be hidden from view. They will, however, be placed in the correct order, so the tile can be inferred. (for example, a hidden tile between a 1 of Bamboos and a 3 of Bamboos is either the 1, 2, or 3 of Bamboos)
Power Bars: 3
Charge Rate: 1.2
Charge Tile: 9 of characters
Artist: 殿様 (Tono-sama)
Sanae Kochiya
Power: Ensures that your next starting hand will have a pon of a wind tile.
Power Bars: 1
Charge Rate: 1.4
Charge Tile: 9 of characters
Artist: 夏海あきら
Shikieiki Yamaxanadu
Power: Doubles payments for tenpai and no-ten if the hand ends in a draw.
Power Bars: 1
Charge Rate: 1.7
Charge Tile: South Wind
Artist: Unknown
Shinki
Power: Doubles the number of han in a hand won by self-draw, excluding han from dora and not including yakuman hands.
Power Bars: 1
Charge Rate: 1.1
Charge Tile: 1 of characters
Artist: フラリ通る
Shizuha Aki
Power: Ura-dora and Kan-ura-dora are not flipped if another player wins.
Power Bars: 2
Charge Rate: 2.0
Charge Tile: 1 of characters
Artist: Unknown
Star Sapphire
Power: Marks tiles which are waits of an opponent who has reached. Waits of other players in tenpai remain unknown.
Power Bars: 1
Charge Rate: 1.2
Charge Tile: West
Artist: Unknown
Suika Ibuki
Power: Returns a odd-numbered tile to the wall and draws an even-numbered tile of the same suit.
Power Bars: 1
Charge Rate: 1.2
Charge Tile: Hatsu
Artist: Unknown
Suwako Moriya
Power: Turns some number of tiles in your hand into bamboo tiles.
Power Bars: 2
Charge Rate: 1.6
Charge Tile: West Wind
Artist: Unknown
Tenshi Hinanai
Power: Switches out the currently displayed dora tiles for different dora tiles.
Power Bars: 2
Charge Rate: 2.6
Charge Tile: Hatsu
Artist: Unknown
Tewi Inaba
Power: When winning, raises the probability of having one of the ura-dora.
Power Bars: 1
Charge Rate: 1.4
Charge Tile: 9 of bamboo
Artist: ざつに
Utsuho Reiuji
Power: Ensures that you will draw four of the same terminal tile next round. Sometimes fails.
Power Bars: 1
Charge Rate: 1.5
Charge Tile: 9 of bamboo
Artist: Unknown
Wriggle Nightbug
Power: Switches one dora tile with another random dora tile.
Power Bars: 2
Charge Rate: 1.3
Charge Tile: 1 of bamboo
Artist: やつき (Yatsuki/Black Cat Crossing)
Yamame Kurodane
Power: Binds one tile to your hand, such that it cannot be discarded for the rest of the round. You can form melds with them though (Chi, Pon, Kan).
Power Bars: 2
Charge Rate: 1.5
Charge Tile: 1 of bamboo
Artist: 夢生場
Youmu Konpaku
Power: Forbids opponents from calling Chi, Pon or Kan for the next 2-6 turns.
Power Bars: 1
Charge Rate: 1.8
Charge Tile: 9 of dots
Artist: すずめみく (Suzumemiku)
Yuugi Hoshiguma
Power: Used during your first draw. The x4 multiplier applied to all hands before han multipliers is raised to x8 for the round.
Power Bars: 1
Charge Rate: 2.6
Charge Tile: 1 of bamboo
Artist: カキヤザクロ
Yuuka Kazami
Power: Used when declaring a Kan. Increases the probability of having a kan-dora in your hand.
Power Bars: 1
Charge Rate: 1.6
Charge Tile: South Wind
Artist: 汝我 長流 (Naga Takeru)
Yukari Yakumo
Power: Removes the next 8 tiles from the wall, putting them out of play (effectively shortening the length of the game).
Power Bars: 2
Charge Rate: 2.2
Charge Tile: Hatsu
Artist: 葉庭 (Haniwa's Store)
Yuyuko Saigyouji
Power: Takes 1000 points from the next player to call for a tile.
Power Bars: 1
Charge Rate: 2.6
Charge Tile: 9 of dots
Artist: 天瀬りむ
ZUN
Power: 300 points are added to his score for each "circle" in his hand. (For example, in a hand where the only dots tiles are the 7, 8, and 9 of dots, he would add 24 * 300 = 7200 points to his score.)
Power Bars: 1
Charge Rate: 1.8
Charge Tile: 1 of characters
Artist: A photo of the man himself
Notes: ZUN is not a playable character, instead only featuring in the Uwabami Breakers storyline.