PoE builds similar to Path of Exile 3.15 90% quantity the Feared Seismic trap !

Hey guys, so this is my first league I started about a month ago almost. I ended up with going seismic on my second character and currently I feel pretty solid, but I feel like I am missing some major dps somewhere and I just cant seem to see where. Besides going to the unusual gems and getting level 100 ,what else could I do to take my build up another level? Any help is greatly appreciated, as I mainly wanna use this league to learn as much as I can before the next one starts.

Made this skeleton (non conversion) build with a friend this morning: EDIT CORRECT LINK: (Level 94) You can fill out the gear with evasion/life base if you wish, weapons and such are all up to you. The usual from rares to cold points. Lost about 10-15% damage from 3.15, but multiple things to make up for it from masteries and new keystones e.g. Ghost Dance. They can be swapped around as people see fit for the build. Overall nerfs were a bit of an exaggeration as per the usual community knee jerk. However wouldn't mind someone pulling this apart and making it be

Here is my POB for my league trapper i have a little more room to squeeze but not much more in the direction ive gone with seismic trap. Its insanely tanky, easily one of the tankiest characters ive played in the past 9yrs . Has plenty of damage and has beaten all rolled invites, simu upto wave 30 but sometimes its iffy. Its fun to play imo, very strong and reliable damage. Would appreciate any commentary, you can drop determination for pride and get around 2 mil dps. Its in the setups to fiddle around with, you can also do some jiggling with precision and purit

Hit me with some knowledge! I have the +5% crit chance in the config for Brittle Boots. Is that right? Thanks guys! :\]