| The Librarium | #6977816
Game fan groupsENWarhammer 40kSpace MarinesFictional Lore
Description
Librarians hold a functionary rank, describing their role as well as their position. The four battlefield ranks of Librarian, in ascending order of importance, are Lexicanium, Codicier, Epistolary and Chief Librarian. Each of these enters battle ready to support his brothers with a range of psychic attacks and defences.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 14 Aug 2026, 21:53 | 2 | first reading |
Ownership
Owned by @Sanada_Yukinori as measured.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Members we’ve seen
@Sanada_Yukinori — Primarch |VI| "The Master of Ultramar" (rank 255)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.