// Note that the delay was (1 + howdeep * 2), but now that the
    // delay is stopped when the player is attacked it can be much
    // shorter since its harder to use for quick escapes. -- bwr
    start_delay( DELAY_PASSWALL, 2 + howdeep, nx, ny );

    // Passwall delay is reduced, and the delay cannot be interrupted.
    start_delay( DELAY_PASSWALL, 1 + howdeep, nx, ny );

    case DELAY_PASSWALL:
        // The lost work here is okay since this spell requires
        // the player to "attune to the rock".  If changed, then
        // the delay should be increased to reduce the power of
        // this spell. -- bwr
        mpr( "Your meditation is interrupted." );
        _pop_delay();
        break;