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✅ Duban fused as bottom card

CategoryAbility
StatusPassing
Testtests/test_abilities_passive.py::test_duban_fused_as_bottom_card

Duban is fused as the BOTTOM card under Murmur. The fused demon

Preconditions​

  • Lane 0: P1's fused demon — top=Murmur (#002), bottom=Duban (#001)

  • Duban passive registered: +5 DEF

  • Murmur passive registered: -2 AP Cost (does not affect DEF)

  • No status effects

Action​

  • Query get_effective_def(state, fused_demon)
result = get_effective_def(state, fused_on_field)

Expected Postconditions​

  • Returns 5 (Duban's +5 DEF active as bottom card)

Assertions​

assert result == 5, f"Expected DEF=5 (Duban bottom passive), got {result}"