For Tactics Ogre: Reborn players, this guide will provides a loot spreadsheet to help you find information you need.
Spreadsheet
Reborn changed a lot regarding items and location. Generally speaking the relic are more plentiful now and are mostly found in Palace of the Dead, San Bronsa (Floating Ruins) or by recruiting enemies with them equipped.
@Tibs and I have been working on compiling a loot table for Reborn.
SPREADSHEET[docs.google.com]
Keep in mind this is in no way an exhaustive list. We’ll be adding more as we play and as the community contributes.
Level 9 – the greased ring dropped for me from a Lamia Matriarch