Affordable
Luck
Cost per 1% luck
200
Useful before large roll sessions if you still have budget left to roll.
Roll To Defend Upgrade Planner
Compare roll speed, luck, unit slots, income, and zones with your current costs. Keep the assumptions visible before spending.
Upgrade planner
Set your current economy
Enter the values from your session. This planner compares upgrade tradeoffs without claiming official cost or scaling tables.
Candidate costs
Enter each upgrade option
Leave an option expensive if you cannot see it yet. The result will show whether it is reachable in your current farming window.
Affordable
Unit slot
Added DPS
220
Worth more when the added unit beats your weakest active slot.
Affordable
Income
Payback
26 min
Shorter payback means more future rolls and zone budget.
Needs farm
Zone
Payback
31.1 min
Use this only when the new zone will not slow your clear speed too much.
Affordable
Roll speed
Extra roll value
22,500
180 extra rolls during the session length you entered.
Affordable
Farm window
Projected money
35,500
80 rolls now, or 284 rolls after the entered session window.
These are planning estimates from your inputs. Roll to Defend upgrade costs, roll speed, income scaling, and zone rewards should be checked in-game before you spend rare resources.