Go to Warlic's shop. Say "explore shop" to him. Grab the Magma Leaf, put it in the big pot, then grab Frogzard Tear. Put it in the pot. Then, grab Mermazon Kelp and put it in the pot. tu will get a Health Potion.
====================================================== Easy Mana Potions
Go to the Werewolf's Lair and buy a spell named "Light of Mana". Then, click on the left of the "Battle Monsters" button and jump down. Note: Do not this if tu are below level 20.
====================================================== Make your own Fire, Wind, and Water Blade Of Awe