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G.R.M.'s headquarters building and primary store, in west Holtes

The G.R.M. Corporation, also known as General Resource Manufacturer, makes run of the mill, standard issue equipment. It is notable that a lot of the names they use for Weapons were taken from PSO. Yohmei and TENORA WORKS tend to make "spin-off" versions of these, by making similar items with both slightly specialized stats and by changing the original names, by utilizing their own unique prefix or suffix throughout an item type.

G.R.M. actually has its own unique pronounciation: gah-roo-moh (がるむ garumu) according to the discontinued Official PSU Blog. It often makes equipment for the A.M.F. and has close connections with it. It also has a monopoly on CAST Parts.

In Episode 2, G.R.M. plays a minor role in that it is linked to a conspiracy with the Illuminus, helping manufacture the Sochee bomb and supplying other weapons to the Illuminus.

What they produce

Product Stats



Twin Daggers and Knuckles made by G.R.M. have more ATP than the TENORA WORKS versions.


Weapon Grinding

Weapon Grinding increases have two variables, not necessarily the same for all stats, that depend on the weapon type, about which currently only very limited information is available:

  • I: the base increment
  • i: the increment growth multiplier
Grind Lvl +0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
ATP/TP Incr. -- I+2*i I+i I+i I+i I I I I 1.5*I+2*i 2*I+2*i

In cases this formula succeeds in describing the grind increases, the total increment would be 11.5*I+8i.

Grind Lvl +0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
PP Incr. -- I+i I I I I+i I+i I+i I+2*i I+2*i I+2*i

In cases this formula succeeds in describing the grind increases, the total increment would be 10*I+10*i.

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