Refine : stack your refine and wait for rebate
Charms : stack like atleast 100-200 charms for rebate
lvl up ur magatama , gt from event , Ninja exam or buy from shop

Purify : gt atleast blue or higher is better like purple or gold .
cave rune : stack ur key like 200-500 for rebate , like this week rebate
upgrade ur Battle Armor
summon scroll : stack 100 for rebate and draw it ( do this every time) u will gt Much of rune and also gold summons.
balance all this thing on all gears and put more effort on whole 1st move ninja gears set