PoE Grand Spectrum Crimson Jewel: Elemental Resistances

PoE 3.19 added six new Grand Spectrum jewels. 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

Image	Name & Stats	Trade Search
	Grand Spectrum (Cobalt Jewel, minion crit multi) Minions have +10% to Critical Strike Multiplier per Grand Spectrum	Search
	Grand Spectrum (Cobalt Jewel, power charge) +1 to Minimum Power Charges per Grand Spectrum	Search
	Grand Spectrum (Cobalt Jewel, crit chance) 25% increased Critical Strike Chance per Grand Spectrum	Search
	Grand Spectrum (Crimson Jewel, resistance) +7% to all Elemental Resistances per Grand Spectrum	Search
	Grand Spectrum (Crimson Jewel, endurance charge) +1 to Minimum Endurance Charges per Grand Spectrum	Search
	Grand Spectrum (Crimson Jewel, life) 5% increased Maximum Life per Grand Spectrum	Search
	Grand Spectrum (Viridian Jewel, ailment avoidance) 12% chance to Avoid Elemental Ailments per Grand Spectrum	Search
	Grand Spectrum (Viridian Jewel, frenzy charge) +1 to Minimum Frenzy Charges per Grand Spectrum	Search
	Grand Spectrum (Viridian Jewel, elemental damage) 15% increased Elemental Damage per Grand Spectrum	Search

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.

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Grand Spectrum Mechanics

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

M_t = b_t × n_t × g

• b_t is the nominal magnitude of the bonuses granted by Grand Spectrum jewels of that type
• n_t is the number of socketed Grand Spectrum jewels of that type
• g is the total number of socketed Grand Spectrum jewels

For example: if plaer has 1× Grand Spectrum(Cobalt Jewel, crit chance) and 2× Grand Spectrum (Viridian Jewel, elemental damage). 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:

Grand Spectrum (Crimson Jewel, resistance)

Grand Spectrum is a unique Crimson Jewel. Limited to: 3 +7% to all Elemental Resistances per Grand Spectrum Flavour text: Skin like steel tempered by bright flames. Place into an allocated jewel socket on the passive skill tree. Right click to remove from the socket.

Elemental Resistances

Resistances affect the amount of damage taken of specific damage types when all avoidance forms have failed. Enemies can also have resistances, which are indicated beneath their life bar. Each damage type except physical has its own resistance value which is viewable on the Defence tab in the Character panel (default hotkey C). Physical damage is mitigated by armour.

Chaos damage is not elemental, thus “+% to all Elemental Resistances” does not affect chaos, but “+% to all maximum Resistances” does. Chaos resistance can be modified by items and passive skills. The Keystone passive skill Chaos Inoculation grants total immunity to Chaos damage.

Maximum resistances are hard capped at 90%.

Negative resistances are hard capped at -200%.