Like any MORPG Hit Points(HP) are key, you run out of HP and you die, no matter what class you are! As well as the more commonly known 100HP for chest there is also 100HP for your Head and leg slots.

I would recommend, as the quest indicates, being at least level 50 or better still have 2 level 50's completing the quest together. A level 60 can breeze this easily and would take them a few hours.

This guide explains how you can easily obtain an extra 200HP (100HP for Head and 100HP for legs) via a series of repeatable quests. This means you can do the quest every time you get a new head or leg item, gaining that valuable 200HP every time.

Lesser Arcanum of Constitution Quest Item Use: Permanently adds 100 hit points to a leg or head slot item. Does not stack with other enchantments for the selected equipment slot. Charges: 1 (Expendable) 4 sec cast Item Level 50 Source: Quest

The Lesser Arcanum of Constitution once obtained, works just like any other enchantment and can also be traded/sold in just the same way. I often sell this item to level 20 twinks wanting to have max HP for battle grounds. You can even store as many as you like in your bank all ready to go.

There is 2 zones this quest covers, Felwood and The Blasted Lands with the final hand-in in The Burning Rocks. You can start with either zone but the Felwood quest require's some prerequisites, once these are completed they don't need to be done again.

First, Lets start by completing Lung Juice Cocktail in The Blasted Lands.

Second, now head to Felwood to complete the prerequisites that will result in Night Dragon's Breath.

The last 2 items you need are a Black Diamond and a Libram of Constitution . Both these items are random drops from any zone and so i found it easyer to purchase these from the Auction House.

Now that you have completed all the questes required and collected all 4 items you must take them along with 30 gold to Burning Rocks. You need to speak to Mathredis Firestar at LOC 65,23.

Congratulations, you now have your very own Lesser Arcanum of Constitution.