The world doesn't lack water, it's just not distributed well enough for everyone.bottomless water bucket.
solve world thirst
Since RoD only works where you can click on the screen would you only be able to teleport to a place you can see? Also, beware the debuff.I'd also go for a Rod Of Discord. I'd teleport where I want.
I would take daybloom seeds. Tons of potions to make and I can already find everything else.