Enter the current level and the target level for each module and each slot: the cost shown only counts the difference between the two, not the cost from 0.
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Forecastle
Module
Current
Target
Oars Oars
Keel Keel
Bell Bell
Armored hull Armored hull
Reinforced hull Reinforced hull
Cannonball ramp Cannonball ramp

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Mast castle
Module
Current
Target
Loot crates Loot crates
Grappling hooks Grappling hooks
Combat manuals Combat manuals
Tool shed Tool shed
Sextant Sextant
Powder horn Powder horn

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Poop deck
Module
Current
Target
Harpoon fortification Harpoon fortification
Super telescope Super telescope
Harpoon propulsion Harpoon propulsion
Light harpoons Light harpoons
Sternpost Sternpost
Rocket rack Rocket rack
Optimized cannon slot Optimized cannon slot

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Voodoo castle
Module
Current
Target
Voodoo focus Voodoo focus
Reinforced gems Reinforced gems
Unleashed forces Unleashed forces
Voodoo intensifier Voodoo intensifier
Dark incantation Dark incantation
Amulet stand Amulet stand
Voodoo mirage Voodoo mirage
Soul devourers ritual Soul devourers ritual

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Gun deck
Module
Current
Target
Healing hands Healing hands
Shaky foundations Shaky foundations
Illusion multiplier Illusion multiplier
Carpenter's blueprint Carpenter's blueprint
Poisoner's lab Poisoner's lab
Ravaging fire Ravaging fire

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Crew deck
Module
Current
Target
Military expert Military expert
Fierce accountant Fierce accountant
Elite helmsman Elite helmsman
Cleanup brigade Cleanup brigade
Maintenance crew Maintenance crew
Night crew Night crew

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Pearls Pearls needed
0

No icons yet for submarine modules (not available at the moment) — text only.

Strategium
Module
Current
Target
Offensive power distribution Offensive power distribution
Invisible enemy Invisible enemy
Defensive power distribution Defensive power distribution
Chain reactions Chain reactions
Weak point exploitation Weak point exploitation
Trajectory calculation Trajectory calculation

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Mechanicum
Module
Current
Target
Proximity alert Proximity alert
Light torpedoes Light torpedoes
Thruster optimization Thruster optimization
Strategic withdrawal Strategic withdrawal
Armored segments Armored segments
Reinforced structure Reinforced structure

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Mysterium
Module
Current
Target
Ritual shield Ritual shield
Synchronized amulets Synchronized amulets
Voodoo evasion Voodoo evasion
Voodoo ritual Voodoo ritual
Amulet stand Amulet stand
Voodoo purge Voodoo purge
Voodoo echo Voodoo echo
Voodoo matrix Voodoo matrix

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Proelium
Module
Current
Target
Reaper Reaper
Feedback loop Feedback loop
Predator Predator
Breach mastery Breach mastery
Doppler effect Doppler effect
Marauder Marauder

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Navigatorium
Module
Current
Target
Sighting scope Sighting scope
Crystal harmony Crystal harmony
Map room Map room
Advanced decoy scheme Advanced decoy scheme
Improved harpoon loading Improved harpoon loading
Multiple warheads Multiple warheads
Atlantean harpoon Atlantean harpoon

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Habitorium
Module
Current
Target
Repair team Repair team
Weak point master Weak point master
Elite maneuvers Elite maneuvers
Decoy specialist Decoy specialist
Emergency team Emergency team
Maximum alert Maximum alert

Slots
Current
Target
Slot 1
Slot 2
Slot 3
Pearls Pearls needed
0
Orichalcums needed
0