// These undead take damage to maxhp, so we use only HD. -- bwr
    if (mclass == MONS_ZOMBIE_SMALL
        || mclass == MONS_ZOMBIE_LARGE
        || mclass == MONS_SIMULACRUM_SMALL
        || mclass == MONS_SIMULACRUM_LARGE
        || mclass == MONS_SKELETON_SMALL
        || mclass == MONS_SKELETON_LARGE)
    {
        x_val = (16 + mHD * 4) * (mHD * mHD) / 10;
    }
    else
    {
        x_val = (16 + maxhp) * (mHD * mHD) / 10;
    }

    x_val = (16 + maxhp) * (mHD * mHD) / 10;