Eredin fight in less than 1min (Superior Hanged Man's Venom oil + Aerondight + whirl attack). You can litterally skip the second phase (Have the enhanced oils mod, which add stagger effect,
The Witcher 3 , Hangman's Venom Manuscript Location - YouTube
Hanged Man's Venom | Witcher Wiki | Fandom
I varnished my painting of Hanged Man's Tree. Watch how the colors become more vibrant when the varnish hits! : r/witcher
Witcher Superior Hanged Mans Venom - Etsy
Hanged Man's Venom | Witcher Wiki | Fandom
The Witcher 3: 15 Most Useful Oils, Ranked (& How To Make Them)
The Witcher 3 - A Towerful of Mice: Enhanced Insectoid & Hangman's Venom Oil, Arbitrator Location - YouTube
Stuck Sword Oil Remover at The Witcher Nexus - mods and community