Realm Grinder Wikia
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Call to Arms (colloquially "CtA") is a spell that increases the production of all buildings and is more powerful the more buildings you own. Because it is available for all factions, it is commonly used as part of a spell combo to enhance a spell's effect further.

Spell Tiers[]

Five additional casts for Call to Arms can be unlocked, up to tier 6:

  • Tier 2: Costs 51 Sxd coins
  • Tier 3: Costs 766.4 Vg coins
  • Tier 4: Costs 11.52 Qivg coins
  • Tier 5: Costs 173.1 Novg coins
  • Tier 6: Costs 2.601 Qatg coins

  • Tier 2: Costs 5.1e52 coins
  • Tier 3: Costs 7.664e65 coins
  • Tier 4: Costs 1.152e79 coins
  • Tier 5: Costs 1.731e92 coins
  • Tier 6: Costs 2.601e105 coins

  • Tier 2: Costs 51e51 coins
  • Tier 3: Costs 766.4e63 coins
  • Tier 4: Costs 11.52e78 coins
  • Tier 5: Costs 173.1e90 coins
  • Tier 6: Costs 2.601e105 coins


  • Modifiers[]

    Call to Arms effect is modified in the following ways:

    • Research C225 (Craftsmanship Research "Automatons")
    • Research W180 (Warfare Research "Formation")

    Sources[]

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