Faster refresh Divine Call and/or make it last a few ticks longer
Faster refresh Speed of the Savior, and make it so our next spell cast gets a large aggro mod or next taunt doesnt fail or something or make it pop a divine arb like thing when used or something, to continue the saving idea
Faster refresh Shield of Brilliance
Faster refresh Beacon of the Righteous or a 2nd different version, that works differently to add ontop of it
Faster Purification
Group Armor of the Inquisitor
Hand of Piety to be fixed to crit or split the HoT version into a different line
More Spell Casting Mastery or un-nerfed Yaulp, or respite mana version
, so we don't have garbage mana issues
Restoration of Life upgrade, to use in combat or make faster
Healing ability that is like Valorous Rage is for DPS, except make one that boosts healing at the cost of tanking/dps, etc, boost healing, maybe more crits, bigger heals, more twinheal chance, etc
Then general upgrades to all the other useful stuff get every expansion