break;
        case SPWPN_PENETRATION:
            mprf("%s %s briefly pass through it before %s manages to get a "
                 "firm grip on it.",
                 pronoun(PRONOUN_CAP_POSSESSIVE).c_str(),
                 hand_name(true).c_str(),
                 pronoun(PRONOUN_NOCAP).c_str());

        case SPWPN_SHADOW:
            mpr("It is briefly surrounded by shifting shadows.");
            break;

                    break;
                case SPWPN_PENETRATION:
                    mprf("Your %s briefly pass through it before you manage "
                         "to get a firm grip on it.",
                         you.hand_name(true).c_str());

                case SPWPN_SHADOW:
                    mpr("It is briefly surrounded by shifting shadows.");
                    break;

         expl->name = "explosion of " + expl->name;

            case SPWPN_PENETRATION:
                description += "Ammo fired by it will pass through the "
                    "targets it hits, potentially hitting all targets in "
                    "its path until it reaches maximum range.";
                break;
            case SPWPN_SHADOW:
                description += "If ammo fired by it kills a monster, "
                    "causing it to leave a corpse, the corpse will be "
                    "animated as a zombie friendly to the one who fired it.";
                break;

    bool can_launch    = has_launcher(item);
    bool can_throw     = is_throwable(&you, item, true);
    bool need_new_line = true;

    bool can_launch       = has_launcher(item);
    bool can_throw        = is_throwable(&you, item, true);
    bool need_new_line    = true;
    bool always_destryoed = false;

        std::string threw_or_fired;
        if (can_throw)
        {
            threw_or_fired += "threw";
            if (can_launch)
                threw_or_fired += " or ";
        }
        if (can_launch)
            threw_or_fired += "fired";

            always_destryoed = true;

        case SPMSL_SHADOW:
            description += "If it kills a monster, causing it to leave a "
                "corpse, the corpse will be animated as a zombie friendly "
                "to the one who " + threw_or_fired + " it.";
            break;
        case SPMSL_PENETRATION:
            description += "It will pass through any targets it hits, "
                "potentially hitting all targets in its path until it "
                "reaches maximum range.";
            break;
        case SPMSL_DISPERSAL:
            description += "Any target it hits will blink, with a "
                "tendancy towards blinking further away from the one who "
                + threw_or_fired + " it.";
            break;
        case SPMSL_EXPLODING:
            description += "It will explode into fragemnets upon hitting "
                "a target, hitting an obstruction, or reaching the end of "
                "its range.";
            always_destryoed = true;
            break;
        case SPMSL_STEEL:
            description += "Compared to normal ammo it does 50% more damage, "
                "is destroyed only 1/10th upon impact, and weighs "
                "three times as much.";
            break;
        case SPMSL_SILVER:
            description += "Compared to normal ammo it does twice as much "
                "damage to the undead, demons and shapeshifters, and "
                "weighs twice as much.";
            break;

    append_missile_info(description);

    if (always_destryoed)
        description += "$It will always be destroyed upon impact.";
    else
        append_missile_info(description);