const mutation_def& mdef = get_mutation_def(mut);

    // ... as are physical mutations
    if (mdef.physical)

    // ... as are all mutations for semi-undead who are fully alive
    if (you.hunger_state == HS_ENGORGED)

    // ... as are all mutations for semi-undead who are fully alive.
    if (you.hunger_state == HS_ENGORGED)

    // ... as are physical mutations.
    if (get_mutation_def(mut).physical)

        if (you.species == SP_TROLL)
            result = troll_claw_descrip[level];

        if (mut == MUT_FAST)
            result = naga_speed_descrip[level];

    else

    else if (result.empty() && level > 0)