Unlock Mass Effect 3 items via Reckoning demo, and vice-versa

In case you didn’t already know, EA is releasing a demo for Kingdoms of Amalur: Reckoning on 17 January, ahead of its full release on 7 February (in the US). We’ve now just learnt that a demo for Mass Effect 3 will also be coming before Reckoning’s 7 Feb release.
How do we know that? This is where it gets tricky…
EA has told us that playing either one of the demos will unlock content in the other game. By playing the Mass Effect 3 demo “fans will unlock… items for Reckoning when the game launches of February 7,” of couse, that suggests the Mass Effect 3 demo will be with us prior to 7 Feb.
The opposite is also in effect, if you play the Reckoning demo you will unlock items for Mass Effect 3.
Here’s what you can unlock in Mass Effect 3 by finishing the Reckoning demo AND watching the trailer that plays automatically at the end:

Reckoner Knight Armor: This armor will maximize damage done in close-quarters combat while a beefed–up power cell feeds energy into weapon systems to increase projectile velocity.
The Chakram Launcher: This weapon uses a fabricator to manufacture lightweight, explosive ammunition discs.

To unlock the following items in Reckoning you must install and play the Mass Effect 3 demo:

N7 Armor: Players can unlock special armor inspired by Commander Shepard’s iconic N7 battle armor including Helm, Cuirass, Gauntlets, Chausses and Greaves.
Onmiblade Daggers: A holographic blade stemming from Commander Shepard’s Omni-Tool, the Omni-blade allows players to stab enemies in close combat.

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