ONE PIECE TCG Lethal Calculator
Set the board you can see. The calculator allocates your remaining DON!! through practical power breakpoints, tests the counter pool you declare, then lists the pressure line.
board → DON!! → forced counters
Test the declared state
This is a transparent greedy heuristic. It does not know blockers, triggers, [On Attack] effects, or cards gained from Life.
A line is only as certain as its inputs. Life cards can add new counters to hand; triggers, blockers, effects, and card text may change the line. Card text takes precedence over the comprehensive rules.
How this ONE PIECE TCG lethal calculator works
For each active attacker you enter base power, a known modifier, and any multi-damage you know applies. The calculator gives available DON!! one at a time, adding 1000 power per DON!! during your turn, and then tests the opponent's declared counter values against each attack. An attacker wins a battle at equal power, so the defender needs to get strictly above it.
What it can tell you
- Which declared attacks are below the opponent's current leader power.
- How much counter each threatening attack forces under the pool you entered.
- Where the declared counter pool becomes unable to stop a hit.
- Whether a final hit ends a 0-Life game under those stated assumptions.
What it intentionally does not pretend to know
There is no database here. Entering every card-specific interaction would make a generic tool look precise when it cannot be. The calculator does not simulate Blockers, On Attack effects, alternative win conditions, Trigger choices, removal, or counters gained when Life is taken. Use it for the arithmetic, then check your cards and a judge for the interaction.
Why can a 5000 attack force 1000 counter into a 5000 leader?
During the Damage Step, the attacking card wins when its power is greater than or equal to the defender's power. To survive, the defender must counter to 6000 - not merely tie at 5000.
Why is Life remaining a warning?
When a Leader with one or more Life takes damage, the top Life card is added to hand, and a Trigger may be used instead. That newly gained card can change later counter math, so only a 0-Life final attack can be labeled game-ending by this tool.
Does “counter event” include its cost?
No. Enter only Counter events you believe are playable with the opponent's active DON!!. The official rules require an Event's cost to be paid to activate its [Counter] effect.