Neophyte Guide

Source: Guided Games Final Encounters

Ultraworld

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

Helping Hand

This emblem drops once you complete your first Guided Game raid encounter as a guide.

Third Mark of the Collector

Purchase anything from the Bungie Store during Season of Arrivals.

Take the Throne

Defeat Emperor Calus on Challenge Mode. No longer obtainable after Leviathan entered the DCV.

Giantfall

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

Twisted Space

Solve the final puzzle in the Imbaru Engine. Full step-by-step video from Fallout Plays linked below.

Savior of the Past

In the Corridors of Time, follow this pattern: Diamond, Clover, Snake, Plus, Hex, Hex, Plus, Hex, Diamond, Clover, Snake (Credit to /r/raidsecrets).

Quarantine Zone

Complete a run of Zero Hour with 5:00 or more left on the clock. Can be completed in either Normal or Heroic.

Atraks Dethroned

Obtained after completing the Pantheon Triumph "Extinction Averted," for completing all encounters in The Pantheon: Atraks Sovereign.

Iron to Steel

After Lightfall: Has a chance to drop after an Iron Banner match.Previously: Available during Season of Plunder (Season 18). Obtained by hitting Iron Banner Rank 10 after resetting your Iron Banner rank once.

Well-Tended Garden

Obtained at the end of a hidden pathway at the end of the Starcrossed mission, once you've completed all of the Wish-Keeper exotic missions. Reach the end of the pathway to unlock the emblem. A video guide is linked below.

Lunar Memoriam

Find all ten (10) Ghosts on The Moon. The first nine (9) can be found on the surface of The Moon; there are a number of good videos for those on YouTube. The final Ghost can be found in The Pit in the Pit of Heresy dungeon. Please note you'll need to finish the Shadowkeep campaign for these Ghost retrieval missions to appear in Eris' inventory.

Fifteen Holding, Fifteen Down

Complete the Gambit seasonal quest "Free Advertising" during Season 10.

Wheel of Fortune

Complete a flawless run of Tier III Reckoning twice, once with each boss.

Vex Convergence

You'll need to open a ton of "hidden chests" on Mercury; these are the chests littered around the planet. No longer obtainable since Mercury entered the DCV.

Ennead

Present A Small Gift to all nine (9) of the Dreaming City cats.

Restorative Light

Complete the Triumph, "Empyrean Restorer," which required you to donate 5,000 Polarized Fractaline to the Tower Obelisk. Claiming the last tier of this Triumph (5,000 fractaline total) awarded this emblem.

Severance Package

Available via the Crown of Sorrow in HELM if you've reset your rank with the Crown once.

Vance's Temple

You'll need to open a ton of "hidden chests" on Mercury; these are the chests littered around the planet. No longer obtainable after Mercury entered the DCV.