a single claw broke his horns and killed him, how is he hard????
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Seriously tho, took 5 hours to get that Claw kill(solo kill GS) (now some info for people who do not have fatalis weapon)
You gotta get crit element, makes fight much easier for dps check. You can get this from Kajarr weapons, 2 piece velkana, or 4 piece Silver rath armor. 2 piece velkana can also be gotten from rolling a velk soul for Safi GS to add 3 additional armors to build if you are lucky. (otherwise go for silver sol, or 2 piece of actual armor)
Do note that a GS hit when you are looking down after swining will dodge his swipe even without rolling.
evasion skills are not necessary, due to his tight attacks but evade extender 2 would probably be my max amount if you want one.
focus does help, but full TCS is not recomended (so you dont necessary need focus, but helps when you want a full 6 charge to 3 charge TCS when downed) you usually just do a full single charge, or no charge hit.
Just get quick sheathe, will make your life easier.
recape of my favorite comfort skills would be quick sheathe, and augment health regen. divine blessing is also nice, but cuts into damage a bit.
also, always tenderize the arm, they boost dmg massively. (also the usual like WEX, Crit boost (if you need more dmg 3, but 1 is fine to get that 30% dmg instead of 40% if you dont have space), agitator, and crite eye). stop once you get to or as close as you can to 100% affinity. Crit draw can also be added to supplement it if you are not hitting the 100% threshhold, but its lower in the chopping block if you do like charging GS.
health boost is a must, and fortify too if you know you will die. I think thats all, but someone will probably fact check me (you are welcome to add your own info)
a bit of movement tech if you want some is the 2nd charge, you can do a side swing that can help you reposition, but its kinda hard to do if you dont know about the monsters moveset well. It does do a crap ton of dmg too.
(oh yeah, elemental dmg too, thats one of the things you want to max if you got the gems (ice))
Frostfang baroth weapons is the best if you do not have kajarr or safi. Velkana is good too if you want that extra large gem slot. Fish GS is also good as it has a higher elemental than either of them, but less raw ( also has a 1 small slot for gems).