They can solo all levels including 90-99 with great ease. For the most part NPC or even Eden gear is fine all the way through until wish to MvP tbh, the only thing if wish to learn Heal you will need to borrow or make one peice of armour with Evil Druid card in to wear when copying Heal but apart from that you could easily level to 150 as Chaser with no problems Soloing at all. I'm level 117 on my Chaser I do very well against mob levels 130+ and only really becomes hard when hit the 136+ upwards at my current level but once I gain a few levels say around 5-10 or so then 136-150 should be no problem, easy even.
With regard to to weapon I use which is Quadruple Hunter Fly carded +10 Main Gauche its easy enough to make youself like I did, Main Gauche is low level weapon so doesnt cost much to +10 and drops of few monsters including low and higher level mobs. The Hunter Flys aren't that strong either so farming them is easy enough and due to this weapon I can take on mobs of massive size the more the better because the more mobs the more times it Procs which heals me a large amount and if not fully healed I also have the heal skill copied to top up my health at level 117, I heal for 1600hp per use with just medium INT using Heal 10. So cost wise I believe the weapon put me back say 10-20k zeny maybe in upgrading loads of MGs till one hit +10 the rest was all free.Edited for example
: This isn't myself but as you can see at level 106 he was having zero problems killing many, many higher level mobs without using a single potion just off the Proc of the weapon which is same as mine minus the +10 part. (Although he is using a most likley +9 Rideword Hat which adds to the self healing I find myself having full health pretty much after most mobs just from the weapon alone.)
So zeny wise very, very cheap unless want to buy the HF cards which are expensive better to just hunt them and the weapon can also be used on Rangers too the ones that rely on traps to mob kill.
The main advantage with them is if you become bored of a specific leveling style you have vast amounts more skills you can copy and try different things unlike other classes which have a much more limited skill tree.
Edited by dragoonlordz, 15 February 2011 - 09:20 AM.