Please update your client with the latest THF files through the THF patcher.
Spell file
o Changed Elemental Glory as it wasn't stacking correctly.
After revisiting the original reasoning behind the changes to the old Veil of Mastery spell, we felt it better to remain its own spell completely separate from the other mage buffs.
It now retains the aoe proc buff effect and has +4500 hp buff only.
Items.
o Fixed the charge issue on Head of the Worldslayer.
- The THF team