Upgrades!
Sometimes life of a pirate can be rough, but we don't give up!
In Harsh times only a set of UPGRADES can help you out! Destroy enemy guards, loot your chests and find your choice of upgrades for current weapon.
For example you have shrapnel and mine in your arsenal. After picking up Chest in UpperWorld, you will be given an upgrades for your current Weapons
But...
In a Ghost Dimension you will be given a choice of upgrades for your particular ship, after picking up Soul Crystal
Hence you will combine Upperworld Weapon upgrades with After-Death Ghost Upgrades!