From the modeler…
Project Grimoire MKIII “Mauler”
A kitbash mainly of Grimoire body with Man Rodi’s external armour on chest, shoulders and thighs. Arms are from MG Strike and back pack is from… err.. can’t recall.
Paints:
Mr Hobby – black primer
Vallejo Mecha Color – Off white
Vallejo Mecha Color – Dark Steel
Vallejo Mecha Color – Red + Brown
MODO – Super Chrome
Tamiya spray can – Metallic Gold
Tamiya spray can – Haze Grey
Sharpie – Orange
(Source)