Gold Acidus Card
Worn on Shoes Sells for 10Z
What it grants
+16% Max HP+16% Max SP+10% HP regen+10% SP regen+8% Max HP+8% Max SPwhile refined to +4 or lowerwhile refined above +4
Upgraded copies
Normal cards target 2× their original scalable bonuses, ★★ 4×, and ★★★ 8×. Each rank doubles the previous rank. Existing penalties and binary effects stay unchanged, and equipment stacking limits still apply.
Normal
+16% Max HP+16% Max SP+10% HP regen+10% SP regen+8% Max HP+8% Max SPwhile refined to +4 or lowerwhile refined above +4
★★
+32% Max HP+32% Max SP+20% HP regen+20% SP regen+16% Max HP+16% Max SPwhile refined to +4 or lowerwhile refined above +4
★★★
+64% Max HP+64% Max SP+40% HP regen+40% SP regen+32% Max HP+32% Max SPwhile refined to +4 or lowerwhile refined above +4
★★ can be found from Hard upwards or made through Card Master Fusion. ★★★ never drops; Fusion is its source. Hunting far below your own level does not turn up upgraded cards.