Just a quick update. All Leves below lv20 are now complete.

Here is the method used to lower health to soothe point without killing.
Lv1 - lv1 weapon, naked, auto attacks only
Lv5 - lv1 weapon, naked, 1 skill attack, then auto attacks
Lv10+ - lv1 weapon, full gear, 1-2 skill attacks, then auto attacks