jayrebb
Naxxramas 1.0 Raider
From a general standpoint, most classes have certain flows / mechanics that simply require a fair amount of knowledge in the game (e.g. until you've played a bit, it's not super obvious). From a Soulfist perspective, you should start by spending 4 points into Pulverizing Palm to unlock Excellent Mobility, which you'll use in conjunction with your dash. The idea is to use it to travel / skip across mobs as they share the same reuse CD timer and you're interrupting the final part of the animation with your dash; this will make speeding through the first few dungeons quicker (there is limited exp for killing mobs, so you should mostly focus on completing dungeons fast for efficiency). There are also certain NPCs / packs that will 'trigger' things to open up, so when you familiarize yourself with that while leveling, you're effectively going through things and targeting certain packs to push through faster.
The additional synergy you start off with as a Soulfist would be Magnetic Palm (this will knock NPCs up) followed by Deadly Finger (which will get a bonus to damage for using on knocked up enemies. The remainder of your abilities should be verified to understand where you need to position yourself and how to best use them (Example: Bolting Crash will be used to 'break parts' of bosses and provides super armor + a bonus for a frontal hit, where as Venemous Fist (which will be dropped first) gets a bonus only from back attacks. You'll then quickly unlock Heavenly Squash, which is your first main AE clear (Soulfist excels at this while leveling) and should be the focus of all of your points. Flash Step is taken immediately as well, however it's an energy hog (but 3x extra dashes for moving around is the best there is in the game).
Later on, you'll be using Force Orb to trigger an additional knock up with the goal of always positioning Merciless Pummel from behind (this skill wrecks). Energy Blast / Crippling Barrier are then used independently based on your preference for mob clear and achieve different playstyles: Cripping Barrier will pull things in and stagger, so if you're looking for more of a melee build this will position things well for you where as Energy Blast is used to keep things at a distance. Your last main synergy will be Energy Release with your ultimate, as Soulfist benefits from the highest damage ultimate in the game by a large margin, so you'll want to be using your level 3 hype, Energy Release for the damage bonus, and your ult to basically one shot anything that doesn't have 6-7 health bars. If you crit with the ult, you're basically guaranteeing a one shot of anything even without using hype albeit, the build up time can make landing it more challenging.
I decided that's just too much for a new player. Didn't like my Soulfist experience. Its something I would consider revisiting once I became advanced and proficient with another class.