ArcheAge Cast Time Limit / Casting Speed Cap

Casting Speed Limits

Wondering how fast you can cast a spell?
On Korean server, a player managed to achieve the lowest possible cast time at 40%.

How to achieve it:
All 3 skill trees' passives: Songcraft, Sorcery, and Witchcraft
Songcraft's casting skill buff
Auroria's Cloak Hopes for Peace
Lunagem: Torrent, sockets
Obsidian Katana weapon
Wave Rings
Armor set effect
And possible use of a monster's debuff.