This thread is meant as a collection of longer guides and knowledge compilations that cover specific topics. If you have something to add then please notify me either by PM or make a post in the input sticky.

1.xx Guide to Testing & Balance (Electric Blue)
1.11 Guide to Sparkly Chests (Quickdeath)
1.11 Item Generation Tutorial (v1.0) (Warrior of Light)
1.11 Skill Granting Items 2.1 (Kijya)
1.10 Charm Guide, Final Version (corax)
1.10 MF Area-Levellist 85+/84/83/82 (melianor)
1.10 (Final) Area Listing (Atrocitas)
1.10 Rune Finder's Guide v2.0 (Urlik)