Here boss, study it.
local rewards = {
[35] = {storage = 39002,
[1] = {{2187, 1}, {8900, 1}}, -- WOI / Spellbook of enlightment
[2] = {{2183, 1}, {8900, 1}}, -- Hailstorm / Spellbook of enlightment
[3] = {{7367, 1}, {2528, 1}}, -- Enchanted Spear / Tower Shield...