Tectonic Slam of Catclysm does not branch visually

Tectonic slam of cataclysm does not visually branch, but deals damage to monsters outside of visible aoe.

I consumed 10 endurance charges, which means 100% branch chance. This means the slam should branch every possible time, dealing damage in shape of leaf. However it visually branches just once or twice, while dealing damage outside of affected area. As you can see in image below, only the main fissure from tectonic slam is visible (red color), but monster died outside of that area (blue color). Its quite hard to get this into screenshot, but on maps i can clear whole screens of monsters, while there is only visual of the main branch. Currently I'm using celestial tectonic slam effect, but it does the same thing with normal tectonic slam

+1, i have the same visual bug

I have same problem only when Ralackesh boots equipped. Without them everything looks normal. Is it only visual bug?

I have this problem with or without boots. It seems only visual as i clear screens of mobs with every slam.

experiencing the same thing, regardless of mtx

There are lots of bug reports on this. TSoC has been bugged since league start. The AoE, damage, and branch chance are not scaling with endurance charges at all.

Can confirm that Tectonic Slam's damage is still scaling with endurance charges. When I attack a boss with a 7-charge slam, the damage is consistently more than double what it would be without charges.

Moreover, I'm noticing that charge-powered slams kill enemies farther away compared to unpowered slams, even though the AoE visually appears unchanged. On my screen, it looks as if the enemies get hit by an invisible force and drop dead. This is similar to what OP is saying.

Can anyone else confirm this?

OP, is your Tectonic Slam of Cataclysm character in Standard or Keepers League? Do you use grafts? It seems TSoC's behavior is different depending on whether or not grafts are used: https://www.pathofexile.com/forum/view-thread/3875170/page/3#p26455900