Da
Same. Bought Taco and Sandy still 450+ medal.
Sandy retrofit needs a shit ton of resource, three extra Sandy or gold bullion, 60000 gold, 60 t3 gun plate, 50 t3 general plate, 18 t2 cruiser blueprint, 20 t3 blueprint, event only item.
At least she gain lots of fire power, main gun Mount, a unique barrage and even more anti air.
Actually she gains two different danmaku skill
One that fire every 16 shot, and another that fire every 20 second(starts at 50% and max level 100%)