Sell extra charge once your grapple is maxed out. Extra health can be replaced with any 800 green if needed. Sell once you've upgraded to master stam
Mid/late core
Once your spirit and health spikes are reached, you can do these in almost any order, depending on the situation. try and get tankbuster before other spirit damage items.
Situational
Depends on lane opponents, how many debuffs can be applied on you and what your late game state looks like.
If gun, then this:
Gun doesn't seem necessary on lash anymore. If you want a spike, use a combo of these with mystic shot.
Other greens
Just general useful items that work on most characters.
Additional spirit spike choices
All valid replacements for cold front (or extra charge) as part of you spike, depending on lane and the opponent’s team comp
Experimental
All items could be worth trying out over a few games. Mix and match if you're ahead in a game or just curious.
Ground Strike
Grapple
Flog
Death Slam