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Grand Spectrum is the name shared by three different unique jewels that each grant scaling bonuses based on the number of jewels called 'Grand Spectrum' placed into jewel sockets on the character's passive skill tree.

List of Grand Spectrum jewels

ItemBase ItemStats
Grand SpectrumGrand Spectrum
Crimson Jewel
Limited to: 3+7% to all Elemental Resistances per Grand SpectrumSkin like steel tempered by bright flames.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
Crimson Jewel+7% to all Elemental Resistances per Grand Spectrum
Grand SpectrumGrand Spectrum
Cobalt Jewel
Limited to: 325% increased Critical Strike Chance per Grand SpectrumThoughts that shimmer like light across the rain.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
Cobalt Jewel25% increased Critical Strike Chance per Grand Spectrum
Grand SpectrumGrand Spectrum
Viridian Jewel
Limited to: 315% increased Elemental Damage per Grand SpectrumFists that strike like a falling tree.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
Viridian Jewel15% increased Elemental Damage per Grand Spectrum

Mechanics

The total magnitude of the bonuses granted by socketed Grand Spectrum jewels of type is

where is the nominal magnitude of the bonuses granted by Grand Spectrum jewels of that type, is the number of socketed Grand Spectrum jewels of that type, and is the total number of socketed Grand Spectrum jewels.

Example

Say the player has 1×Grand SpectrumGrand Spectrum
Cobalt Jewel
Limited to: 325% increased Critical Strike Chance per Grand SpectrumThoughts that shimmer like light across the rain.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
and 2×Grand SpectrumGrand Spectrum
Viridian Jewel
Limited to: 315% increased Elemental Damage per Grand SpectrumFists that strike like a falling tree.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
. This would result in:

25 * 1 * 3 = +75% increased Critical Strike Chance
15 * 2 * 3 = +90% increased Elemental Damage

Maximum Values

If you equip all three Grand Spectrum of any type, you can use the following table, simply select the number of Grand Spectrum of the given type you intend to equip, and add the results:

Item 1st 2nd 3rd
Crimson Jewel +21% to all Elemental Resistances +42% to all Elemental Resistances +63% to all Elemental Resistances
Cobalt Jewel 75% increased Critical Strike Chance 150% increased Critical Strike Chance 225% increased Critical Strike Chance
Viridian Jewel 45% increased Elemental Damage 90% increased Elemental Damage 135% increased Elemental Damage

Jewel limit

A character can't have more than three 'Grand Spectrum' jewels socketed. This limit is shared across all 'Grand Spectrum' jewels. For example, if a character has 3 Cobalt Grand Spectrum jewels socketed in their passive tree, they cannot use any Viridian or Crimson Grand Spectrum jewels.

Version history

Version Changes
3.0.0
  • The following changes affect existing items automatically:
  • Now limited to 3. Note that this limit is shared across all versions of Grand Spectrum.
2.3.0
  • Introduced to the game.
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