Tchaikovsky Admirer

Purchase any item on the Bungie Store between 2018-05-07 and 2018-07-06.

Meridian of Destiny

Purchase the Destiny 2 Tricorn Collectible Pin; the emblem comes with the pin.

Lost in It

Redeem a code provided by SteelSeries' Twitter account, posted from 2020-08-27 to 2020-08-30.

A Guardian's Heart

Obtain this emblem by redeeming one (1) Credit during the Game2Give 2024 Fundraiser.In 2023: Raise (not donate) at least $777 during the Bungie Day Giving Festival 2023.In 2022: Donate $100 during the 2022 Bungie Day Giving Festival.Previously: Donate at least $20 to the Bungie Foundation COVID-19 fundraiser.

Darkest Day

Purchase any qualifying item during the Bungie Store Black Friday event, taking place from 2024-11-26 to 2024-12-03. Previously: Purchase any item from the Bungie Store during Black Friday weekend 2017 (between 2017-11-24 and 2017-11-27) and this emblem will be awarded.

Resonant Chord

Purchase the Destiny 2 Original Soundtrack Digital Edition from the Bungie Store.

Hubris of Niobe

Complete the full Niobe Labs puzzle; once complete the emblem will drop. No longer obtainable after the forges entered the DCV.

Warminded

Obtained by accessing all forty (40) Sleeper Nodes on Mars. No longer obtainable after Mars entered the DCV.

Disdain for Gold

Complete the Triumph "Season 7: Nightfall." This requires 25 Nightfall completions during Season 07

Operation… Oboe?

These emblem variants can drop once you reach a certain score threshold in a Nightfall. The drop rates are unknown, but if you are looking to get this variant, you'll want to go for a high score run (get the highest score possible) in the related Nightfall, then do speedruns of the Nightfall until the emblem variant you want drops. Note this is a variant of the emblem named after the Nightfall it drops from.

Ultraworld

Purchase any item from the Bungie Store during Season of Dawn (Season 09).

A Cold Wind Blowin'

Complete the "Rogue Light" Triumph during Season 04. Once you redeem the Triumph, the Drifter will sell the emblem (only during Season 04).

Star Light, Star Bright

Obtain this emblem by redeeming one (1) Credit during the Game2Give 2024 Fundraiser.Previously: Purchase the limited edition Bungie Store t-shirt, supporting Australian firefighting efforts and animal rescue/conservation efforts. Only available between 2020-01-16 and 2020-02-18.

Death to the Deathless

This emblem randomly dropped upon completion of this Nightfall. No longer obtainable since this strike has entered the DCV.

Eternally Triumphant

Earn 400 points in the 2018 Solstice of Heroes 2018 event by completing all the Triumphs available.

Vex Scholar

Obtained by equipping the full "Kairos Function" set on a Warlock. No longer available as a result of Mercury entering the DCV.

Blood of Izanami

Complete the "Reunited Siblings" Triumph, which required you to kill 500 enemies with Izanagi's Burden at the Izanami Forge. No longer obtainable after this forge entered the DCV.

Saladin's Pride

Unknown source.

Blade of Bergusia

Obtained by completing the "Clean Up on Aisle Five" Triumph, which required you to kill 500 enemies with Threat Level in the Bergusia Forge. No longer obtainable after this forge entered the DCV.

Anno Panthera Tigris

Redeemed from the heybox app. Skarrow9's video with instructions in linked below for a full walkthrough. Also given away as part of a series of SteelSeries giveaways in early February 2022.