You can unlock Arcana once you reach story 2-5. You can see Arcana Index and see the effects of all the cards.
(All card below are at max stat)
Fool: + 12% crit
World: + 15% spd atk
Empress: -20% dmg received from heroes (mainly PvP)
Emperor: -35% cc duration (mainly PvP)
Hierophant: + 20% P.Dmg dealt to heroes (mainly PvP)
Lover: + 20% M.Dmg dealt to heroes (mainly PvP)
Hermit: -20% Dmg from mob (mainly PvE)
Justice: when hit, 15% chance to evade
Death: +20% dmg to mob (mainly PvE)
Temperance: enter Boss battle grant you Battle scarred (mainly PvE) ( increase main stat of all heroes by 15% )
Devil: + 100% crit dmg
Tower: +50% P.Def and M.Def for frontline
Star: +25% P.Atk and M.Atk for backline
Judgment: +20%Hp
(All card above are at max stat)
Magician: When 2/4/6 Wizard, all Wizard + 30/40/80% M.Atk
High Priestess: When 2/4/6 Cleric, all Cleric + 40/50/90% healing and heal received
Chariot: When 2/4/6 Lancer, all Lancer have 35/50/80% chance to active Immortality effect upon ally death ( Ignore all Dmg for a short time)
Strength: When 2/4/6 Swordman, all Swordman have 20/30/45% chance to Guard effect against basic attack (Cancel normal atk and stun the attackers for a short time)
Wheel of Fortune: When 2/4/6 Archer, all Archer + 30/40/80% P.Atk
Hanged Man: 2/4 Rouge, all Rouge have 50/80% chance to active Backstep effect after 4.5sec (4sec after battle start,, jump to the back of a random enemy and increase crit rate)
The Moon: When 2/4 Spirit, all Spirit + 25/40% Atk spd
The Sun: When 2/4/6 Warrior, all Warrior have 40/65/100% chance to active Unbending Will effect (Heal 70% lost Hp)
Tier List :