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The Lightning Link / Dragon Link value-coin pattern, built on HoldAndWinBuilder. Each coin carries a coefficient (×2 … ×50) and the board does the holding for you — locked coins sit out, only the free cells respin.

The value lives in the coin’s data

A Hold & Win coin is { cell, id, data }. The board never reads data — you put the coefficient there and it carries through the lock untouched:

await board.respin(cells.map((cell) => ({ cell, id: 'coin', data: { value: pickValue() } })));

pickValue() rolls the ladder (×2 common, ×50 rare). The board locks every hit and respins only board.freeCells on the next round — no pins, no per-cell grid to wire up.

Badge from data, total from the ledger

The ×N badge is painted from the coin’s data on coin:locked, and the running total is summed straight from board.lockedCoins:

board.events.on('coin:locked', ({ coin }) => {
  badge(coin.cell, coin.data.value);                                   // ×N, painted from data
  total.text = `TOTAL: ${board.lockedCoins.reduce((a, c) => a + c.data.value, 0)}`;
});

The badge uses fitText (from the shared kit) so the multiplier spans the coin face and never overflows.

Earlier this recipe hand-rolled 15 individual 1×1 ReelSets and used reelSet.pin() to hold coins. HoldAndWinBuilder is exactly that pattern packaged — independent per-cell reels + native locking — so the board is the mechanic now; pins aren’t needed for the hold.

Hold & Win respin. the minimal starter board
Beginner: carry the value as data. the value-in-data idea on its own
Collector symbol. a collector that absorbs its neighbours

The value lives in the coin’s data

Badge from data, total from the ledger

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