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Trial Grounds
Gather Life Jewels in the Trial Grounds to craft and upgrade your Crystal Jam!

Trial Grounds is a game mode releasing in A Mermaid’s Tale update (v4.9), coinciding with the release of Sea Fairy Cookie Sea Fairy Cookie and Black Pearl Cookie Black Pearl Cookie’s Crystal Jams. In this mode, players battle through a set of challenging levels to obtain Life Jewels. It is unlocked once a player clears Stage 10-31 in World Exploration.

Overview[]

Every week, players battle through a set of stages which rewards the players Life Jewels, Sugar Crystals and other rewards. As these stages are themed around making use of the Crystal Jam's effects, the Cookie with a Crystal Jam is required to be placed in the team. The player is provided with the required Cookie with a full set of Searing Raspberry toppings, but the player may swap it for their own Cookie. There are a total of 10 stages which present Stages of increasing difficulty and growing rewards. Possessing the Crystal Jam of the featured Cookie will provide extra buffs to the Cookie and the allies, which scale with the level of the Crystal Jam.

Trial Grounds can be attempted seven times per week at default. Purchasing the Kingdom Pass will grant three additional attempts per week for a total of 10. The Trial Ground levels reset every week.

Battle Effects[]

  • Status SpecialRule Special Requirements
    • Min Cookie Lv. - 70
    • Min Cookie Skill Lv. - 70
    • Fixed Rally Effect - Based on the Trial Ground
  • Status EnemyDebuffResUp All enemies' Debuff Resist increased ; +40%
  • Status ShieldBlock Ally HP Shield capacity decreased : -65%
  • Status Healing Down Ally Healing decreased : -65%

Yearning Sea[]

  • Status WaterTypeAtkUp Ally Water-type DMG increased : +40%

Duskgloom Vortex[]

  • Status EnemyDebuffResUp When enemy's HP is lower than 50%, enemy's DMG Resist increased : +10%-60% (Based on stage level)

Permafrost Plains[]

  • Status EnemyAtkSpdUp All enemies' ATK SPD increased : +40%
  • Status AtkUp Ally Ice-type DMG increased : +40%
  • Whenever certain enemies use specific skills or get hit, the gauge will fill up. Once the gauge is full, Cookies will gain the Frozen status. Once the Frozen status wears off or is dispelled, the Cookie will take damage proportional to their Max HP. With each further repetition of this process, the damage will increase.

Eternal City of Wizards[]

Status CrystalJam Crystal Jam Upgrade Effects
Level
Ally Cookies: DMG Resist Sea Fairy Cookie Sea Fairy Cookie/Frost Queen Cookie Frost Queen Cookie: ATK Black Pearl Cookie Black Pearl Cookie: CRIT DMG Moonlight Cookie Moonlight Cookie:
+1
+5.0% +5.0 +20.0%
+2
+5.6% +5.6% +21.1%
+3
+6.1% +6.1% +22.2%
+4
+6.7% +6.7% +23.3%
+5
+7.2% +7.2% +24.4%
+6
+7.8% +7.8 +25.6%
+7
+8.3% +8.3% +26.7%
+8
+8.9% +8.9% +27.8%
+9
+9.4% +9.4% +28.9%
+10
+10.0% +10.0% +30.0%
+11
+15.0% +20.0%
+12
+16.1% +23.3%
+13
+17.2% +26.7%
+14
+18.3% +30.0%
+15
+19.4% +33.3%
+16
+20.6% +36.7%
+17
+21.7% +40.0%
+18
+22.8% +43.3%
+19
+23.9% +46.7%
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30

Stages[]

Yearning Sea[]

Level Enemies Rewards Upgrade Tip
First Win Repeat
1
Mangosteen Octopirate (Elite)
Raspberry Hermit Crab
Mangosteen Octopirate
Sea Fairy Cookie's Life Jewels
12
arcane Crystals
30
Sea Fairy Cookie's Life Jewels
10
Topping Pieces
10
Coins
2,100
  • Team Lv. 70
2
Overly Ripe Mangosteen Octopirate (Elite)
Blueberry Hermit Crab
Overly Ripe Mangosteen Octopirate
Sea Fairy Cookie's Life Jewels
14
arcane Crystals
60
Sea Fairy Cookie's Life Jewels
12
Topping Pieces
10
Coins
2,625
  • Team Lv. 75
3
Blueberry Cream Hermit Crab (Elite)
Blueberry Cream Hermit Crab
Mangosteen Octopirate
Overly Ripe Mangosteen Octopirate
Sea Fairy Cookie's Life Jewels
16
arcane Crystals
90
Sea Fairy Cookie's Life Jewels
14
Topping Pieces
10
Coins
3,150
  • Hero Cookie at ★1
  • Crystal Jam Lv. 1
4
Pink Tropical Fish (Elite)
Pink Tropical Fish
Pink Tropical Jellyfish
Sea Fairy Cookie's Life Jewels
18
arcane Crystals
120
Sea Fairy Cookie's Life Jewels
16
Topping Pieces
10
Coins
3,675
  • Hero Cookie at ★2
  • Crystal Jam Lv. 5
5
Pink Tropical Jellyfish (Elite)
Blue Tropical Fish
Pink Tropical Jellyfish
Sea Fairy Cookie's Life Jewels
20
arcane Crystals
150
Sea Fairy Cookie's Life Jewels
18
Topping Pieces
10
Coins
4,200
  • Hero Cookie at ★3
  • Crystal Jam Lv. 10
6
Blue Tropical Jellyfish (Elite)
Blueberry Cream Hermit Crab
Pink Tropical Fish
Blue Tropical Jellyfish
Sea Fairy Cookie's Life Jewels
24
arcane Crystals
180
Sea Fairy Cookie's Life Jewels
20
Topping Pieces
10
Coins
5,250
  • Hero Cookie at ★4
  • Crystal Jam Lv. 15
7
Pink Tropical Squid (Elite)
Blue Tropical Fish
Blueberry Cream Hermit Crab
Pink Tropical Squid
Blue Tropical Jellyfish
Pink Tropical Jellyfish
Sea Fairy Cookie's Life Jewels
28
arcane Crystals
210
Sea Fairy Cookie's Life Jewels
24
Topping Pieces
10
Coins
6,300
  • Hero Cookie at ★5
  • Crystal Jam Lv. 17
8
Mangosteen Pirate Captain (Elite)
Blue Tropical Fish
Pink Tropical Squid
Sea Fairy Cookie's Life Jewels
34
arcane Crystals
240
Sea Fairy Cookie's Life Jewels
28
Topping Pieces
10
Coins
7,350
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 19
Icon cookie power228,990ATKstat724,250HPstat9,282,200DEFstat1,952,212
9
Mangosteen Pirate Captain (Elite)
Pink Tropical Fish
Nightsky Clione
Sea Fairy Cookie's Life Jewels
40
arcane Crystals
270
Sea Fairy Cookie's Life Jewels
34
Topping Pieces
10
Coins
8,400
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 22
Icon cookie power302,055ATKstat1,300,648HPstat11,097,800DEFstat3,505,889
10
Mangosteen Pirate Captain (Elite)
Pink Tropical Fish
Cloud Yogurt Clione
Sea Fairy Cookie's Life Jewels
50
arcane Crystals
300
Sea Fairy Cookie's Life Jewels
40
Topping Pieces
10
Coins
12,600
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 25
Icon cookie power354,520ATKstat1,742,994HPstat12,134,900DEFstat4,698,228

Duskgloom Vortex[]

Level Enemies Rewards Upgrade Tip
First Win Repeat
1
Nightsky Squid (Elite)
Nightsky Angler
Nightsky Clione
Black Pearl Cookie's Life Jewels
12
swiftness Crystals
30
Black Pearl Cookie's Life Jewels
10
Topping Pieces
10
Coins
2,100
  • Team Lv. 70
2
Cloud Yogurt Squid (Elite)
Nightsky Angler
Cloud Yogurt Clione
Black Pearl Cookie's Life Jewels
14
swiftness Crystals
60
Black Pearl Cookie's Life Jewels
12
Topping Pieces
10
Coins
2,625
  • Team Lv. 75
3
Nightsky Angler (Elite)
Nightsky Angler
Nightsky Squid
Cloud Yogurt Squid
Nightsky Medusa
Black Pearl Cookie's Life Jewels
16
swiftness Crystals
90
Black Pearl Cookie's Life Jewels
14
Topping Pieces
10
Coins
3,150
  • Hero Cookie at ★1
  • Crystal Jam Lv. 1
4
Sharp-eyed Gun Sailor (Elite)
Tough Sword Sailor
Swift Sword Sailor
Sharp-eyed Gun Sailor
Black Pearl Cookie's Life Jewels
18
swiftness Crystals
120
Black Pearl Cookie's Life Jewels
16
Topping Pieces
10
Coins
3,675
  • Hero Cookie at ★2
  • Crystal Jam Lv. 5
5
Steady-handed Gun Sailor (Elite)
Tough Sword Sailor
Steady-handed Gun Sailor
Black Pearl Cookie's Life Jewels
20
swiftness Crystals
150
Black Pearl Cookie's Life Jewels
18
Topping Pieces
10
Coins
4,200
  • Hero Cookie at ★3
  • Crystal Jam Lv. 10
6
Beastmaster Sailor (Elite)
Swift Sword Sailor
Beastmaster Sailor
Sharp-eyed Gun Sailor
Steady-handed Gun Sailor
Black Pearl Cookie's Life Jewels
24
swiftness Crystals
180
Black Pearl Cookie's Life Jewels
20
Topping Pieces
10
Coins
5,250
  • Hero Cookie at ★4
  • Crystal Jam Lv. 15
7
Tough Sword Sailor
Swift Sword Sailor
Beastmaster Sailor
Sharp-eyed Gun Sailor
Steady-handed Gun Sailor
Black Pearl Cookie's Life Jewels
28
swiftness Crystals
210
Black Pearl Cookie's Life Jewels
24
Topping Pieces
10
Coins
6,300
  • Hero Cookie at ★5
  • Crystal Jam Lv. 17
8
Abalone Cookie's Aquamech
Seashell Barrier
Beastmaster Sailor
Steady-handed Gun Sailor
Black Pearl Cookie's Life Jewels
34
swiftness Crystals
240
Black Pearl Cookie's Life Jewels
28
Topping Pieces
10
Coins
7,350
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 19
Icon cookie power756,115ATKstat950,578HPstat11,138,640DEFstat2,892,166
9
Abalone Cookie's Aquamech
Seashell Barrier
Steady-handed Gun Sailor
Sharp-eyed Gun Sailor
Black Pearl Cookie's Life Jewels
40
swiftness Crystals
270
Black Pearl Cookie's Life Jewels
34
Topping Pieces
10
Coins
8,400
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 22
Icon cookie power1,237,805ATKstat1,707,101HPstat13,317,360DEFstat5,193,910
10
Abalone Cookie's Aquamech
Seashell Barrier
Beastmaster Sailor
Sharp-eyed Gun Sailor
Black Pearl Cookie's Life Jewels
50
swiftness Crystals
300
Black Pearl Cookie's Life Jewels
40
Topping Pieces
10
Coins
12,600
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 25
Icon cookie power1,407,605ATKstat1,976,182HPstat13,925,760DEFstat6,012,600

Permafrost Plains[]

Level Enemies Rewards Upgrade Tip
First Win Repeat
1
Frost Spirit (Elite)
Licorice Cake Hound
Frost Queen Cookie's Life Jewels
12
arcane Crystals
30
Frost Queen Cookie's Life Jewels
10
Topping Pieces
10
Coins
2,100
  • Team Lv. 70
2
Choco Frost Spirit (Elite)
Licorice Cake Hound
Frost Spirit
Frost Queen Cookie's Life Jewels
14
arcane Crystals
60
Frost Queen Cookie's Life Jewels
12
Topping Pieces
10
Coins
2,625
  • Team Lv. 75
3
Sprinkled Yeti (Elite)
Sprinkled Yeti
Frost Spirit
Choco Frost Spirit
Frost Queen Cookie's Life Jewels
16
arcane Crystals
90
Frost Queen Cookie's Life Jewels
14
Topping Pieces
10
Coins
3,150
  • Hero Cookie at ★1
  • Crystal Jam Lv. 1
4
Sprinkled Yeti (Elite)
Sprinkled Yeti
Mountain Scarab
Frost Queen Cookie's Life Jewels
18
arcane Crystals
120
Frost Queen Cookie's Life Jewels
16
Topping Pieces
10
Coins
3,675
  • Hero Cookie at ★2
  • Crystal Jam Lv. 5
5
Sprinkled Yeti (Elite)
Choco Chip Mountain Scarab (Elite)
Sprinkled Yeti
Choco Chip Mountain Scarab
Frost Queen Cookie's Life Jewels
20
arcane Crystals
150
Frost Queen Cookie's Life Jewels
18
Topping Pieces
10
Coins
4,200
  • Hero Cookie at ★3
  • Crystal Jam Lv. 10
6
Choco Chip Yeti (Elite)
Mountain Scarab (Elite)
Sprinkled Yeti
Mountain Scarab
Choco Chip Mountain Scarab
Frost Queen Cookie's Life Jewels
24
arcane Crystals
180
Frost Queen Cookie's Life Jewels
20
Topping Pieces
10
Coins
5,250
  • Hero Cookie at ★4
  • Crystal Jam Lv. 15
7
Mountain Ent (Elite)
Choco Chip Yeti
Mountain Scarab
Frost Queen Cookie's Life Jewels
28
arcane Crystals
210
Frost Queen Cookie's Life Jewels
24
Topping Pieces
10
Coins
6,300
  • Hero Cookie at ★5
  • Crystal Jam Lv. 17
8
Frozen Peak Prowler
Choco Chip Yeti
Mountain Ent
Frost Queen Cookie's Life Jewels
34
arcane Crystals
240
Frost Queen Cookie's Life Jewels
28
Topping Pieces
10
Coins
7,350
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 19
Icon cookie power741,171ATKstat950,578HPstat9,282,200DEFstat2,892,166
9
Frozen Peak Prowler
Choco Chip Yeti
Mountain Ent
Frost Queen Cookie's Life Jewels
40
arcane Crystals
270
Frost Queen Cookie's Life Jewels
34
Topping Pieces
10
Coins
8,400
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 22
Icon cookie power908,793ATKstat1,213,204HPstat9,999,500DEFstat3,691,214
10
Frozen Peak Prowler
Choco Chip Yeti
Mountain Ent
Sprouted Mountain Ent
Frost Queen Cookie's Life Jewels
50
arcane Crystals
300
Frost Queen Cookie's Life Jewels
40
Topping Pieces
10
Coins
12,600
  • Hero Cookie at ★2A
  • Crystal Jam Lv. 25
Icon cookie power1,390,854ATKstat1,976,182HPstat11,604,800DEFstat6,012,600

Eternal City of Wizards[]

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