Balance Adjustments
Upgrade success rate reduction per level increased from 0.03 → 0.05
System Optimizations
Swords now grant a built-in mini sword aura
Sword aura upgrades now significantly increase aura size only
"Shoe Afterimage" skill and "Blink Swap" skill have been merged
Failed equipment upgrades no longer destroy items, but randomly downgrade one upgrade attribute tier (if tier is 0, the attribute is removed)
"Enlarging Mushroom" now grants knockback immunity (removed max HP increase effect)
New item "Healthy BBQ" temporarily increases max HP
Bug Fixes
Fixed equipment upgrade material requirements not updating
Fixed attribute calculation error when equipping both non-elemental and dual-element (fire/ice) swords simultaneously
Fixed charged skill activation issues