Knight class guide

The Knight is a Tank class in Crystal Idle (weapon: Sword). A stalwart defender who grows more unbreakable the more enemies surround them. The only class with reliable party aggro.

Role: TankWeapon: Sword

Active abilities

• Lunge (cooldown 30-45s, 36-42 MP)
  Charge forward and pierce enemy armor.
• Reflect Shield (cooldown 22-35s, 24-32 MP)
  Activate a defensive stance: reflects 45% of all incoming damage back to attackers for the duration.
• Taunt (cooldown 10-20s, 27-35 MP, party only)
  Force all enemies to target you.
• War Cry (cooldown 30-45s, 26-33 MP)
  Force all enemies to focus on you and gain a defense boost.
• Shield Bash (cooldown 15-25s, 22-30 MP)
  Slam your shield into the target for 180% damage and stun them for 3 seconds.

Passive tree

Nodes unlock as the class levels up (max class level 200).

• Lv 1Sword Mastery
  Sword damage scales with class level (+10% at lv.1 > +70% at lv.200).
• Lv 10Fortress
  +5% defense for each living enemy in the encounter.
• Lv 20Iron Skin
  +20% maximum HP.
• Lv 30Stalwart
  Take 20% less damage from enemy hits.
• Lv 40Commanding Presence
  When a party encounter wave begins, gain 100-2000 bonus threat on every enemy (scales with class level).
• Lv 50Bulwark
  Regenerate 0.1% of max HP per second for each living enemy in the encounter.
• Lv 60Shield Reaction
  Reflects 20% of all received damage back to the attacker.
• Lv 70Guardian's Oath
  While in a party, when an ally takes damage, Knight gains aggro on the attacker (10 per 1000 damage taken).
• Lv 80Unbreakable
  When a hit would kill you, survive with 10% HP instead and become immune to damage for 10 seconds. Cooldown: 5 minutes.
• Lv 90Living Fortress
  While in a party and alive, all party members (you included) take 5% less damage.

Combos with vocations

A vocation next to this class adds a bonus that grows in three ranks; the table shows rank 3.

Vocation	Combo at rank 3
Blacksmith	Forged Plates: the effect is 50% stronger
Huntsman	Kills in regular zones: 6% chance of a hide of the zone's tier
Runeweaver	Rare finds 15% more often (Weaving)
Innkeeper	Hearty Meal: the effect is 50% stronger
Arcanist	In combat: -2% damage taken
Rogue	In combat: +3% monster drop chance

Other classes

BerserkerSpellbladeRangerCrossbowmanHunterPriestElementalistNecromancer

Data generated from the game code, version 3.7.0 (2026-11-01).