This is how I got my 6 slots skill rune plus other tips - Undecember

IDCGames - UNDECEMBER - PC Games

Undecember Whirlwind Bloodshed Build farm on PC, Android & iOS

Undecember and it's similarities to Path of Exile — MMORPG.com Forums

Runes - Undecember Wiki

Undecember Blade of Death Build - Boosting, Accounts & Powerleveling

Initial Undecember Rune / Skill Details

Undecember act 11 new skill and link runes : r/undecember_global

Rune / Skill Upgrade Guide UNDECEMBER

Ma RuneGAng help lol is this ok? I fiddled around , any theorycrafter minniemaxies here? I wanna take notes on what would you do better and for runes that need working and

Undecember Runes List Guide