Other

Synthetic Eidolon Shard

Getting it Farmable 3 places Best odds Elite Sanctuary Onslaught (Sanctuary) 8.43%

Where to find it

Mission

Mission sources for this item, with where each one is found, the rotation it drops on, the rarity of the reward and the chance of getting it.
Source	Where	Rotation	Rarity	Chance
Elite Sanctuary Onslaught (Sanctuary) — Sanctuary Onslaught (B)	Sanctuary Elite Sanctuary Onslaught	B	Rare	8.43%
Sanctuary Onslaught (Sanctuary) — Sanctuary Onslaught (B)	Sanctuary Sanctuary Onslaught	B	Rare	7.14%
Sanctuary Onslaught (Sanctuary) — Sanctuary Onslaught (A)	Sanctuary Sanctuary Onslaught	A	Rare	7.14%

Along the way

These tables are shared. One run for this item can hand over the rewards below as well — the number beside each says how much of the same trip it takes.

In the same missions

Braton Vandal Barrel 1 mission
Braton Vandal Blueprint 1 mission
Braton Vandal Receiver 1 mission
Braton Vandal Stock 1 mission
Corpus Depository Scene 1 mission
Grineer Sealab Centrifuge Scene 1 mission
Grineer Settlement Artillery Scene 1 mission
Khora Chassis 1 mission

and 21 more rewards

Khora Neuroptics 1 mission
Khora Systems 1 mission
Lato Vandal Barrel 1 mission
Lato Vandal Blueprint 1 mission
Lato Vandal Receiver 1 mission
Lith A12 Intact 1 mission
Lith G14 Intact 1 mission
Lith K12 Intact 1 mission
Lith Q3 Intact 1 mission
Lith S18 Intact 1 mission
Lith T14 Intact 1 mission
Lith V11 Intact 1 mission
Meso A12 Intact 1 mission
Meso D8 Intact 1 mission
Meso K8 Intact 1 mission
Meso L5 Intact 1 mission
Meso V13 Intact 1 mission
Meso V15 Intact 1 mission
Meso X1 Intact 1 mission
Meso Y2 Intact 1 mission
Peculiar Growth 1 mission