yeah… slam the key faster. Keep your Haste up. Crash lightning has a 6 sec cool down and the only thing its really good for is buffing your other attacks and enabling an AOE effect. This is actually really fun in dungeons with a tank that pulls a lot of mobs.
Just keep slamming the key.
Ascendance is a mod. It uses the ALT key but you can change it to whatever key you want.
“/cast [mod:alt] Ascendance” is the line just change alt for whatever key you want.
Sundering triggers as part of the script with a 40 sec cooldown.