{
        // Each lose_level() subtracts 4 HP, so do this to avoid death
        // and/or negative HP when going from a high level to a low level.
        you.hp     = std::max(5, you.hp);
        you.hp_max = std::max(5, you.hp_max);

    }
    you.hp       = std::max(1, you.hp);
    you.hp_max   = std::max(1, you.hp_max);
    you.base_hp  = std::max(5000,              you.base_hp);
    you.base_hp2 = std::max(5000 + you.hp_max, you.base_hp2);