Board Thread:Questions and Answers Forum/@comment-25267708-20140919210007/@comment-8456133-20150613224859

Here's a list of the Elemental Primaries from the past and present. (Note, the elements on the Prison Of Elders/Trials Of Osiris weapons are random. Also, to indicate between the elemental vs non-elemental weapons from PoE and ToO, I put in the "II" and "Adept" suffixes)

Vault Of Glass

Atheon's Epilouge (Void)

Vision Of Confluence (Solar)

Praedyth's Timepiece (Arc)

Fatebringer (Arc)

Crota's End

Abyss Defiant (Solar)

Fang Of Ir Yût (Arc)

Oversoul Edict (Arc)

Word Of Crota (Void)

Prison Of Elders (Obtainable on Skolas' Revenge, Level 35)

Wolfslayer's Claw II

Aegis Of The Kell II

Six Dreg Pride II

Wolves' Leash II

and last, but not least....

Trials Of Osiris

The Summoner (Adept)

The Messenger (Adept)

The Scholar (Adept)

Jewel Of Osiris (Adept)