Once you master this, you can then build higher or even throw a ceiling on top to heal up or chug those potions.
This build is great to learn early on because it can be whipped up in a matter of seconds by swirling the camera around while holding the wall build button, throwing down a quick floor if need be, and then a ramp to keep some height advantage. Once you master this, you can then build higher or even throw a ceiling on top to heal up or chug those potions.