Well.
Safe use Damage & Def 3 in the beginning. When I hit LV 60+, I use Damage 10 or below & Def 3.
dont use Maelstrom (Ranking) or simulation device lvl 65 (Ranking)
Simulation device types (to get Golden Will) use Damage & Def 25 or below.
I just hit LVL 70 now. Just got Blizzard & Have 9 SSR❤
I'm missing Puri-Puri to complete my collection. F2p