Freeze your level, try to get within top 3 on each Sage World Battlefield and collect advanced refine runes.
Only buy medium refine runes from Group Shop.
Save charm packs.
Wait for a rebate event before you use the refine runes/charm packs.
Prioritize upgrading headgear charm to increase bonus initiative %.
Do your summon cultivation.
Upgrade your move 1 ninja's initiative rune stone.
Try to get Quick Chakra rune (worth 20k training points).