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✅ Azure dragon heavenly decree damages enemies

CategoryAbility
StatusPassing
Testtests/test_abilities_familiars.py::test_azure_dragon_heavenly_decree_damages_enemies

Heavenly Decree deals 2×PWR Fixed Damage to all enemy demons in target lane.

Preconditions​

  • Lane 1: P1's Azure Dragon (084_4) — READIED, PWR=3.

  • Lane 1: P2's Duban (001) — 0 damage.

  • Lane 1: P2's another unit (002 Murmur) — 0 damage.

  • P1 AP: 6.

Action​

  • Execute Heavenly Decree (ability 0) targeting lane 1 (choices={"target_lane": 1}).
from engine.abilities import execute_ability

    state = make_game_state()
    state.players[Side.PLAYER_1].ap = 6
    state.current_player = Side.PLAYER_1

    dragon = make_familiar_demon("084_4", lane=1, owner=Side.PLAYER_1)
    state = place_demon(state, dragon)
    dragon = state.demons[-1]

    duban = make_demon("001", lane=1, owner=Side.PLAYER_2)
    state = place_demon(state, duban)
    duban = state.demons[-1]

    murmur = make_demon("002", lane=1, owner=Side.PLAYER_2)
    state = place_demon(state, murmur)
    murmur = state.demons[-1]

    new_state = execute_ability(state, dragon, 0, targets=[], choices={"target_lane": 1})

    # Azure Dragon PWR = 3, so 2×3 = 6 fixed damage per enemy
    pwr = get_effective_pwr(state, dragon)
    expected = 2 * pwr  # = 6

    murmur_after = next(d for d in new_state.demons if d.unit_id == "002")

Expected Postconditions​

  • Duban damage = 6 (2×3 fixed).

  • Murmur damage = 6 (2×3 fixed).

  • Azure Dragon itself has 0 damage (it's in lane 1 but is P1's ally — Heavenly Decree

  • only targets enemy demons, so Azure Dragon is NOT hit by its own ability).

Assertions​

assert murmur_after.damage == expected, f"Murmur should have {expected} damage, got {murmur_after.damage}"

    # Duban (HP=6) takes 6 Fixed → fatally wounded → removed from board
    assert not any(d.unit_id == "001" for d in new_state.demons), (
        f"Duban (HP=6) must be removed — {expected} Fixed Damage is fatal"
    )
    assert "001" in new_state.players[Side.PLAYER_2].graveyard, (
        "Duban must be in P2's graveyard"
    )