Tracklist
| A1 | XI VSN / Holy Procreation | 8:31 |
| A2 | Mother of All Nightmares | 4:47 |
| B1 | Omen to the Ancient One | 5:15 |
| B2 | Mors Stillam | 3:58 |
Notes
12" LP edition of Mortuus Umbra's the debut EP 'Catechism'.- Presented with gold hotfoil stamping.
- Printed inner sleeve
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| Trust034, FR007 | Mortuus Umbra | Catechism (CD, EP) | Totalrust Music, Forneus Records | Trust034, FR007 | Israel | 2015 |
| FR007 | Mortuus Umbra | Catechism (CD, EP, Ltd) | Forneus Records | FR007 | Israel | 2017 |
| NR002 | Mortuus Umbra | Catechism (Cass, EP, Ltd) | No Return | NR002 | Germany | 2016 |
