That rough, pebble-like spot with black dots is most likely a plantar wart, a small but brutally placed injury that hurts because every step drives it deeper into the sole. It isn’t your fault, and it isn’t a sign she’s weak—it’s a common virus that found the worst possible place at the worst possible time.

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You can still help her face tomorrow with less pain. A warm foot soak, gentle drying, and careful use of child-safe salicylic acid or cushioning pads can ease each step. Padding and taping around the wart, soft liners in her shoes, and looser tights can spare it from being rubbed raw. Skip any cutting, picking, or “burning it off” at home; if there’s swelling, pus, or she can’t bear weight, call a doctor urgently. Whatever happens onstage, she’ll remember most how fiercely you stood in her corner when it hurt to even stand.