Command Chain Calculator

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Use this tool to find the best Command Chain for your Servant.

  • Type your Servant Name into the box next to the Servant portrait.
  • A table below summarizes Damage / NP Gain / Stars Generated by all possible command chains given the selected cards.
  • Apply active skills at a customizable level, NP upgrades, bonus buffs from supports, and adjust enemy specifics under the Advanced Settings drop-downs!
  • Share your Servant Build with the Share This Servant Build button.

Patch Notes

Patch Notes

  • 2020/08/13 - Added Support lookup under Advanced tab
  • 2020/08/10 - Implemented support for double upgraded skills, thanks EMIYA.
  • 2020/08/08 - Fixed an issue with Hundred Faces refund, applies to other res down skills.
  • 2020/07/15 - Max 3 stars per hit cap implemented per this thread, thanks Andell!
  • Older patch notes

Your Servant

Servant 1

Click Command Cards to turn them ON/OFF!

Target Enemy

Enemy HP Class Attribute

Add Noble Phantasm

Note: To cycle through NP Type for Space Ishtar and EMIYA, toggle relevant skill on/off.

Add Active Skills

Active Skill Level

Advanced Settings

Assumes Critical Hits by Position
Triggers Bonus Damage Effects such as "Bonus Damage vs Trait" or "Low HP Bonus Damage"
Disable Ally Cards, this will disable calculation if not enough Command Cards are selected!
  • Min
  • Max
Adjust Damage RNG (90~110%)

Additional Enemy Settings

Some Special Enemy types give further bonuses, such as Skeleton Warrior, Dragon Tooth Warrior, Zombie, Ghost, Pirates, Banshee.
  • 1
  • 3
Number of Enemies

Additional Bonus Modifiers

This tool automatically calculates any bonuses Servants gain from their own Class Skills, Active Skills, or NP Effects.

Fill in any additional bonuses from other Servants or Craft Essences, or Mystic Code below:

ATK UP Quick UP Arts UP Buster UP
Critical Damage Up NP Damage Up NP Gain Up Star Gain Up
Critical Damage Up
Damage Plus
NP Damage Up
Special ATK

Support Servant

You may use this section to look up Support to populate the above modifier fields.


Under the Hood


Command Card Chains

  • A, B, Q, N, E - Your Servant's Arts, Buster, Quick, NP, Extra cards.
  • a, b, q - Other Servant's Command Cards.

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About the Author(s)

Twitter: @NorseFTX

Content Director at GamePress. Passionate about fighting games, virtual/augmented reality technology, neuroengineering, and video games in general. Classical Piano Performance, Sprite Art, and Under Night In-Birth enthusiast.