User blog comment:Saulius Mickevičius/Another blog, of extra ideas of missing items./@comment-4092499-20110829220104

About "Dirty Water..." I think it should occur naturally, and can be refined to created oil. About "Spiders"... small one deal a little damage and have low HP, medium sized ones like what you said, then rare large ones with 2x-3x HP.

Good ideas.