Idean

Ideans are materials used to trade for and upgrade Arcarum Summons. Each idean is used for its respective Arcarum summon.

• Justice Idean
• Hanged Man Idean
• Death Idean
• Temperance Idean
• Devil Idean
• Tower Idean
• Star Idean
• Moon Idean
• Sun Idean
• Judgement Idean

Usage

Use	Amount
Trade for Arcarum Summons (SR)	2
Uncap Arcarum Summons (SR) to 1★	3
Uncap Arcarum Summons (SR) to 2★	5
Uncap Arcarum Summons (SR) to 3★	7
Upgrade Arcarum Summons (SR) to SSR	15
Uncap Arcarum Summons (SSR) to 4★	25
Purchase Arcarum Pactbearer	20
Uncap Arcarum Evokers to 3★	1
Uncap Arcarum Evokers to 4★	1
Uncap New World Foundation Weapons to 2★	30
Uncap New World Foundation Weapons to 3★	70
Uncap New World Foundation Weapons to 4★	100
Unlock Arcarum Evokers Domain Bonuses to Level 3	40
Unlock Arcarum Evokers Domain Bonuses to Level 4	70

Obtain

• Arcarum: The World Beyond
  • Random ideans can drop from treasure chests, stage clear chests, certain enemies, or the Stage 3-3 and 6-3 Puppets.
  • The best way to obtain a specific idean is defeating its respective Stage 9-3 boss (see Arcarum Starting Points). Use Globe of the Starways to switch to your preferred boss if a different one appears.
• Arcarum Shop (3,000 Arcapoints each, limit 10 per month).
  • Unlocked after clearing all Here Be Staves areas in Replicard Sandbox.
• Replicard Sandbox