Sigil numbers
Sigil numbers are the numbers assigned to pieces of the HTDA discography in the order that they are released.
Sigils
| Halo # | Name | Release Year | Album Type | Description | Find It |
|---|---|---|---|---|---|
| 01 | A Drowning | 2010 | Single | First HTDA single. | |
| 02 | How to Destroy Angels | 2010 | EP | First HTDA EP. |