The magical world of Terraria is full of areas and locations to discover, but it’s dangerous to go without some help. While friends can protect you in the game, there are times when you have to go alone. Therefore, you should craft some potions before going. In Terraria, potions have ...
If your health gets low, drink a Greater Healing Potion. If your health gets really low and the cool-down for healing potions isn't up yet, then teleport home with Magic Mirror/Recall Potion to the nurse and heal up. Be careful if you do, because he might kill a few of your NPCs...