45: Adeptus Astartes: Making a Marine | Warhammer 40K Lore episode artwork

EPISODE · Aug 20, 2025 · 1H 18M

45: Adeptus Astartes: Making a Marine | Warhammer 40K Lore

from Laying Down The Lore: 40K · host Laying Down The Lore

This episode we take a look at the gene-seed implants required to elevate a recruit to a neophyte within Chapters. We explore the use of Progenoid Glands, located in the throat and chest of each Astartes which mature after 5 and 10 years. We look at the process used to create all implants from the Gene-seed and the rough timescales involved and, in dire circumstances, the use of male criminals kept in artificial gestation chambers used to accelerate gene-seed production. We then take a deep dive into all 22 implants and look at the differences between Firstborn and Primaris marines as well as some of the mutations that have arisen in certain Chapters over the years.Chat with us on Discord⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Patreon⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Merchandise⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Quartermaster ⁠⁠⁠⁠⁠⁠⁠Listen Ad-Free⁠SHOW IMAGESList of ImplantsLocation of ImplantsRecruit undergoing Implantation

This episode we take a look at the gene-seed implants required to elevate a recruit to a neophyte within Chapters. We explore the use of Progenoid Glands, located in the throat and chest of each Astartes which mature after 5 and 10 years. We look at the process used to create all implants from the Gene-seed and the rough timescales involved and, in dire circumstances, the use of male criminals kept in artificial gestation chambers used to accelerate gene-seed production. We then take a deep dive into all 22 implants and look at the differences between Firstborn and Primaris marines as well as some of the mutations that have arisen in certain Chapters over the years.Chat with us on Discord⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Patreon⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Merchandise⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Quartermaster ⁠⁠⁠⁠⁠⁠⁠Listen Ad-Free⁠SHOW IMAGESList of ImplantsLocation of ImplantsRecruit undergoing Implantation

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45: Adeptus Astartes: Making a Marine | Warhammer 40K Lore

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This episode was published on August 20, 2025.

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This episode we take a look at the gene-seed implants required to elevate a recruit to a neophyte within Chapters. We explore the use of Progenoid Glands, located in the throat and chest of each Astartes which mature after 5 and 10 years. We look at...

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