Electrum

Electrum, also translated as "Electrum Ore", is a material type available in Kingdom Hearts χ and Kingdom Hearts III and even rarer than both Orichalcum and Adamantite.

Design
is represented by a sun-shaped, gold-colored jewel. Its upper half is lined by eleven triangular beams and the lower half sprouts lotus-like leaves. The center of the jewel is a pearl.

Kingdom Hearts χ[chi]

 * Electrum Ore: Darkling, Darkside, Darkside Ω

Electrum Ores only dropped during the third Crystals of Light event.

Kingdom Hearts III

 * Electrum: The Eclipse (1%)

Kingdom Hearts III

 * Electrum: Chest at Isla Verdemontaña; four chests at Sandbar Isle; chest at Central District; chest at North District.

Kingdom Hearts III

 * Electrum: Complete Treasure Sphere IX (Electrum x2).

Kingdom Hearts χ[chi]

 * Electrum Ore: Available through Mog trade, as mission and quest rewards.

Kingdom Hearts Union χ

 * Electrum Ore: Only available by completing objectives of the Proud Mode quests.

Kingdom Hearts χ[chi]
Electrum Ores are used to strengthen the following Keychains:
 * LV +47 to +50 (65 Electrum Ores total)
 * LV +47 to +50 (65 Electrum Ores total)
 * LV +47 to +50 (65 Electrum Ores total)
 * LV +47 to +50 (65 Electrum Ores total)
 * LV +47 to +50 (65 Electrum Ores total)
 * LV +47 to +50 (65 Electrum Ores total)
 * LV +47 to +50 (65 Electrum Ores total)

Kingdom Hearts Union χ
Electrum Ores are used to strengthen the following Keychains:
 * LV +1 to +25 (100 Electrum Ores total)
 * LV +1 to +25 (100 Electrum Ores total)
 * LV +1 to +25 (100 Electrum Ores total)

Kingdom Hearts III
Electrums are used to synthesize the following items:
 * (1 Electrum)

Electrums are used to forge the following Keychains:
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)
 * LV10 (1 Electrum)