1st Build looks like Taroth Glutton Dragonking's Eyepatch Kirin vest alpha Xeno'jiiva claws gamma Xeno'jiiva spine gamma Xeno'jiiva spurs gamma Charm seems to be for maximum might 2nd Build Taroth Glutton Xeno'jiiva head gamma Drachen mail alpha Drachen arm alpha Xeno'jiiva spine gamma Xeno'jiiva spurs gamma Charm looks like the one for free elem/ammo up Not sure about the decos
English names of Items and skills of first build (teostra) Tarroth Assault "Glutton" Dragon King Eyepatch Kirin Chest y Xeno Glove y Xeno Belt y Xeno Boots y Mighty Charm Evasion Mantle ------- Overall Skill Attack Boost 6 Free Ele/Ammo up 3 Weakness Exploit 3 Critical Boost 3 Maximum Might 2 Spread Up Non-Elemental Boost (also, Power Prolonger and Special Ammo Boost, which are not helping much but coming from a set piece)
The weapon is almost definitely the Taroth Glutton. Together with Xeno 3 pieces set bonus. The mantle is evasion. Don't know about the rest. Nice run, but it's still slower than the Nergi 9 shot in 57 seconds.