Grand Spectrum

Grand Spectrum is the name shared by nine 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

Item	Base Item	Stats
Grand SpectrumGrand Spectrum Crimson JewelLimited to: 35% increased Maximum Life per Grand SpectrumA wellspring of vitality bubbling from within.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Crimson Jewel	5% increased Maximum Life per Grand Spectrum
Grand SpectrumGrand Spectrum Crimson JewelLimited to: 3+1 to Minimum Endurance Charges per Grand SpectrumA body that never falters.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Crimson Jewel	+1 to Minimum Endurance Charges per Grand Spectrum
Grand SpectrumGrand Spectrum Cobalt JewelLimited to: 3+1 to Minimum Power Charges per Grand SpectrumA mind that never quiets.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Cobalt Jewel	+1 to Minimum Power Charges per Grand Spectrum
Grand SpectrumGrand Spectrum Viridian JewelLimited to: 3+1 to Minimum Frenzy Charges per Grand SpectrumA spirit that never rests.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Viridian Jewel	+1 to Minimum Frenzy Charges per Grand Spectrum
Grand SpectrumGrand Spectrum Cobalt JewelLimited 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 Jewel	25% increased Critical Strike Chance per Grand Spectrum
Grand SpectrumGrand Spectrum Crimson JewelLimited 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 Viridian JewelLimited 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 Jewel	15% increased Elemental Damage per Grand Spectrum
Grand SpectrumGrand Spectrum Cobalt JewelLimited to: 3Minions have +10% to Critical Strike Multiplier per Grand SpectrumA mass of flesh writhing with savage fury.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Cobalt Jewel	Minions have +10% to Critical Strike Multiplier per Grand Spectrum
Grand SpectrumGrand Spectrum Viridian JewelLimited to: 312% chance to Avoid Elemental Ailments per Grand SpectrumA mountain fortress safe from the storm.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Viridian Jewel	12% chance to Avoid Elemental Ailments per Grand Spectrum

These jewels drop exclusively from Izaro's Treasure and Silver Key chests in any difficulty Labyrinth. On average, 1% of chests will contain a Grand Spectrum jewel. It is significantly more common from Silver Key chests in the Eternal Labyrinth of Fortune, accessed via a Tribute to the GoddessTribute to the GoddessThe Labyrinth's rewards have been enriched.You may appeal to the Goddess for another verdict,
but justice favours only the truly worthy.Travel to the Aspirants' Plaza and spend this item to open the Eternal Labyrinth of Fortune., approximately 1/6.

Mechanics

The total magnitude $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}M_{t}$ of the bonuses granted by socketed Grand Spectrum jewels of type $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}t$ is

$$\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}M_{t}=b_{t}\times n_{t}\times g$$

where $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}{\text{b}}_{t}$ is the nominal magnitude of the bonuses granted by Grand Spectrum jewels of that type, $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}{\text{n}}_{t}$ is the number of socketed Grand Spectrum jewels of that type, and $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}g$ is the total number of socketed Grand Spectrum jewels.

Example

Say the player has 1×Grand SpectrumGrand Spectrum
Cobalt JewelLimited 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 JewelLimited 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

The following table shows the maximum total bonus from Grand Spectrum jewels assuming the maximum of 3 Grand Spectrum jewels are equipped.

Item	1 of 3	2 of 3	3 of 3
Grand SpectrumGrand Spectrum Crimson JewelLimited 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.	+21% to all Elemental Resistances	+42% to all Elemental Resistances	+63% to all Elemental Resistances
Grand SpectrumGrand Spectrum Cobalt JewelLimited 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.	75% increased Critical Strike Chance	150% increased Critical Strike Chance	225% increased Critical Strike Chance
Grand SpectrumGrand Spectrum Viridian JewelLimited 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.	45% increased Elemental Damage	90% increased Elemental Damage	135% increased Elemental Damage
Grand SpectrumGrand Spectrum Crimson JewelLimited to: 3+1 to Minimum Endurance Charges per Grand SpectrumA body that never falters.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	+3 to Minimum Endurance Charges	+6 to Minimum Endurance Charges	+9 to Minimum Endurance Charges
Grand SpectrumGrand Spectrum Viridian JewelLimited to: 3+1 to Minimum Frenzy Charges per Grand SpectrumA spirit that never rests.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	+3 to Minimum Frenzy Charges	+6 to Minimum Frenzy Charges	+9 to Minimum Frenzy Charges
Grand SpectrumGrand Spectrum Cobalt JewelLimited to: 3+1 to Minimum Power Charges per Grand SpectrumA mind that never quiets.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	+3 to Minimum Power Charges	+6 to Minimum Power Charges	+9 to Minimum Power Charges
Grand SpectrumGrand Spectrum Viridian JewelLimited to: 312% chance to Avoid Elemental Ailments per Grand SpectrumA mountain fortress safe from the storm.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	36% chance to Avoid Elemental Ailments	72% chance to Avoid Elemental Ailments	100% (108%) chance to Avoid Elemental Ailments
Grand SpectrumGrand Spectrum Crimson JewelLimited to: 35% increased Maximum Life per Grand SpectrumA wellspring of vitality bubbling from within.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	15% increased Maximum Life	30% increased Maximum Life	45% increased Maximum Life
Grand SpectrumGrand Spectrum Cobalt JewelLimited to: 3Minions have +10% to Critical Strike Multiplier per Grand SpectrumA mass of flesh writhing with savage fury.Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.	Minions have +30% to Critical Strike Multiplier	Minions have +60% to Critical Strike Multiplier	Minions have +90% to Critical Strike Multiplier

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
3.19.0	Introduced 6 additional variations of Grand Spectrum.
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.

References

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