As far as I am concerned, there are two basic types of 10 hp pures. Those that focus on a single
skill, most commonly Magic, and those that raise all or several of their combat skills, Hit Points being the obvious exception.
A Single-Skill 10hp pure generally has a very different goal in mind than one that
raises multiple combat skills. Their general objective is to reach a certain level in a skill with the lowest possible
Combat Level. The most common example is an account getting level 99 Magic at Combat level 50. Another might be
a defence pure reaching 40 Defence at Combat Level 13.
*one common exception that would still essentially be a Single-Skill 10hp pure would be an account
that has both 99 Magic and 99 Ranged, as its Combat Level would still be 51. They are still the lowest possible CBL
to have 99 in those skills. Of course, achieving 99 Ranged on a F2p 10hp pure is virtually impossible.
The goal of a Multi-Skill 10hp pure is generally to obtain the highest possible Combat Level
while maintaing the level of 10 Hit Points. A combination of Magic, Defence, and Prayer is used to achieve this, although
some players may choose to level Attack, Strength, and Ranged, to be able to wield certain items, or simply to show that they
can raise these skills while staying at 10 Hit Points.
What-ever your objective, I can offer some advice on the steps you should take to achieve it.