Strengthen Equip = No rebate
Upgrade Equip = No rebate
Beset Maga = Monthly Event
Refine = Multiple Rebates/Events
Purify = No rebate
Rune Stone = No rebate
Charms = Multiple Rebates/Events
Summon Cultivation = No rebate
Summon Runes = No rebate
Summon Scroll = Multiple Rebates/Events
Treasure Tools = No rebate (Includes all ores, scrolls, orbs, etc)
8 Gates = No rebate
Mt Myoboku = No rebate
Battle Armor = Rebate
Assist links = Only 1 rebate event existed but it's only happened 2-3 times ever in 5 years
Five Nature = Rebate technically exists but scrolls still don't count, so no rebate.
Ninja Assists = No rebate
Secret Scroll = No rebate
Seal Scroll = Multiple Rebates/Events