Emblem source (Courtesy of DEC)
You'll need to destroy all 45 Data Memory Fragments scattered around Mars. Once you do that, this emblem will drop once you open both Golden Age vaults. No longer obtainable since Mars entered the DCV.
Dev info
SELECT json FROM DestinyInventoryItemDefinition WHERE (json_extract(json, '$.displayProperties.name') = 'Wormslayer');
{ - "displayProperties": {...},
- "tooltipNotifications": [],
- "collectibleHash": 4259147765,
- "secondaryIcon": "/common/destiny2_content/icons/84319d03705c5b31900202ce71e0eb81.jpg",
- "secondaryOverlay": "/common/destiny2_content/icons/df92f7b4d26571c4119127d19204eace.png",
- "secondarySpecial": "/common/destiny2_content/icons/4fe4fa69143e2f1681e3a994058f610a.jpg",
- "backgroundColor": {...},
- "itemTypeDisplayName": "Emblem",
- "flavorText": "",
- "uiItemDisplayStyle": "",
- "itemTypeAndTierDisplayName": "Legendary Emblem",
- "displaySource": "",
- "tooltipStyle": "record",
- "action": {...},
- "inventory": {...},
- "stats": {...},
- "equippingBlock": {...},
- "preview": {...},
- "metrics": {...},
- "acquireRewardSiteHash": 0,
- "acquireUnlockHash": 0,
- "investmentStats": [],
- "perks": [],
- "allowActions": true,
- "doesPostmasterPullHaveSideEffects": false,
- "nonTransferrable": true,
- "itemCategoryHashes": [...],
- "specialItemType": 0,
- "itemType": 14,
- "itemSubType": 0,
- "classType": 3,
- "breakerType": 0,
- "equippable": true,
- "defaultDamageType": 0,
- "isWrapper": false,
- "traitIds": [...],
- "traitHashes": [...],
- "hash": 842157719,
- "index": 6071,
- "redacted": false,
- "blacklisted": false
}