After reaching CL 2000 you get to unlock new stats that will boost you considerably more than the usual. This goes on every 100 CL until 2500.
After finishing trial 150 you get to choose brand new max level set items that are uncraftable and should be stronger than the current meta. Every level after 150 you'll get a new set item until you finish the entire set
Alongside that you get artifacts that are character bound, like being a bit more resistant to CC and partially ignore elite auras
A new weapon that you get from trial 150 if you finish under 5 minutes. It's Max level but you cannot put any stats on it. However it has much higher base damage than the current weapons.
After finishing trial 150 you get to choose brand new max level set items that are uncraftable and should be stronger than the current meta. Every level after 150 you'll get a new set item until you finish the entire set
Alongside that you get artifacts that are character bound, like being a bit more resistant to CC and partially ignore elite auras
A new weapon that you get from trial 150 if you finish under 5 minutes. It's Max level but you cannot put any stats on it. However it has much higher base damage than the current weapons.