Index Game

Consult our detailed guides updated regularly on the events of the Hustle Castle !


Grav Challenge

Grav Challenge

Welcome to the Grav Challenge event page! Here's all the information by season for each Grav Challenge event. Click on the season name to see the effects. Season 4 Season 5 Season 6 Season 7...
Grav Challenge S4

Grav Challenge S4

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Royal Fury Ring Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S5

Grav Challenge S5

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Ruby Ring Level 29-30 Crit : 664 – 927 Dodge : 664 – 927...
Grav Challenge S6

Grav Challenge S6

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Ring of Sorrow Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S7

Grav Challenge S7

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Flora Ring Level 29-30 Crit : 664 – 927 Dodge : 664 – 927...
Grav Challenge S8

Grav Challenge S8

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Serenity Ring Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S9

Grav Challenge S9

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Binding Love Ring Level 29-30 Crit : 664 – 927 Dodge : 6...
Grav Challenge S10

Grav Challenge S10

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Dark Guardian Angel Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S11

Grav Challenge S11

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Medusa's Curse Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S12

Grav Challenge S12

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Greedy Aristocrat Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S13

Grav Challenge S13

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Explosive Star Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S14

Grav Challenge S14

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Branch of Weakness Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S15

Grav Challenge S15

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Forbidden Jewel Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S16

Grav Challenge S16

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Bursting Trinket Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S17

Grav Challenge S17

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Plantain Ring Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S18

Grav Challenge S18

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Blood of the Nobles Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S19

Grav Challenge S19

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Mineral Retainer Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S20

Grav Challenge S20

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Starry Sky Ring Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S21

Grav Challenge S21

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Grip of Nature Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S22

Grav Challenge S22

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Monarch's Solemnity Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S23

Grav Challenge S23

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Savage's Charm Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S24

Grav Challenge S24

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Harmonius Union Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S26

Grav Challenge S26

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Burning Stone Ring Level 29-30 Crit : 664 – 927 Dodge : 6...
Grav Challenge S25

Grav Challenge S25

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Deep-Sea Treasure Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S27

Grav Challenge S27

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Scarlet Drop Ring Level 29-30 Crit : 664 – 927 Dodge : 6...
Grav Challenge S28

Grav Challenge S28

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Spiky Hoop Ring Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S29

Grav Challenge S29

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Starstorm Ring Level 29-30 Crit : 664 – 927 Dodge : 664 –...
Grav Challenge S30

Grav Challenge S30

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Sign of Silence Ring Level 29-30 Crit : 664 – 927 Dodge :...
Grav Challenge S31

Grav Challenge S31

List of items for this season, press the red "+" to unlock the item information. The video is displayed below the item, along with its tierlist, activation and cooldown, if any. Symbol of the Chief Ring Level 29-30 Crit : 664 – 927 Dodge :...
Runes effect

Runes effect

Here's the list of runes by category - Click on the text for change page. Runes Weapon Runes Armor Runes Ring Runes Amulet Runes Artifact Runes Specials
Runes – Amulet

Runes – Amulet

Welcome to the rune effects tutorial (Remember to click on the + on the right in red). Runes Amulet (1) - Depends of Armor - Rune of Revenge : Tank Activation : Cooldown :Tier : Level 25-34 On death, curses the enemy with the smallest...
Runes – Armors

Runes – Armors

Welcome to the rune effects tutorial (Remember to click on the + on the right in red). Runes Armor (2) - Depends of Armor - Rune of Dominance Tank Activation :Cooldown :Tier : Level 25-34 On losing 5 900 health, launches a fireball...
Runes – Artifact

Runes – Artifact

Welcome to the rune effects tutorial (Remember to click on the + on the right in red). Runes Artifact (2) - Depends of Weapons - Rune of Supremacy : Tank Activation : Cooldown :Tier : Level 25-34 Attacks deal 150 % more damage...
Runes – Rings

Runes – Rings

Runes Ring (1) - Depends of Weapons - Rune of Defilment : Daggers Activation :Cooldown :Tier : Level 25-34 When the weapon's basic ability is triggered, it increases the damage of the owner's next attack by 35 % and curses the target...
Runes – Specials

Runes – Specials

Runes Cashback (1) - Depends of Weapons - Rune of Creation : Tank Activation :Cooldown :Tier : Level 25-34 When attacking, the unit has a 33 % chance to reduce the max health of the target by 5 % and their physical armor by 10 ...
Runes – Weapons

Runes – Weapons

Welcome to the rune effects tutorial (Remember to click on the + on the right in red). Runes Weapon (1) : - Rune of Strength : Daggers When attacking, XXX1 % chance of dealing XXX2 % of weapon damage to a target over XXX3 sec....