POE 2: Arcane Surge cast speed not being applied

Title, Arcane Surge from the ascendancy node for stormweaver is not applying any cast speed, although the mana regen might be working.

after testing, it looks like maybe the % increased effect per 15 mana is what isn't working, the base arcane surge node seems to work

Gonna bump this to be seen.
The 1% for every 15 mana seems to be busted somehow, at least for me,on my staff I have +150 max mana and when I equip it all casts speeds stays the same.
For some reason works when I take off the belt with 80, takes 0.01 off my frostboltcast speed but when I equip and unequip my staff the casts speed of every spell stay the same

Anyways this needs to be looked into cause it's pretty big for Sorcs

hmm, is it true? No cast speed bonus from accendancy? Almost respeced to MoM with Eldritch battery, than went to read what people say...

Hi all,

When I took Force of Will ascendancy node and did not noticed any cast speed improvement, I tried to caclulate my cast speed from passives and it seems completely off.

Maybe I did the maths wrong but here is an example with frost bolt.

Base Cast Time 0.8s => 1.25 cast/sec

I have these passive bonuses :
Cast Speed 3%
Practice Signs 6%
Cast Speed w/cold 3%
Harsh Winter 8%
Arcane Surge 10%
Force of Will 7,40% or 36,93% (Not sure of the effect based on the wording. If calculated on +Mana stats (111) => 7,40% or current max mana (554) => 36,93%)

So if I done this correctly,
Frost Bolt cast time should be either :

0.54s => 1.84 cast/sec
or
0.37s => 2.7 cast/sec

My frost bolt stat sheet states : 1.35 cast/sec so +8% global cast speed!!??
WTF?

I Want to edit my initial findings.

By re reading the description of Force of WIll I think it add the FoW pourcentage on the initial 10% of Arcan Surge, that would make :

10+10*(A3/15/100) = 13.69% for Arcane Surge with 554 mana, I guess it is a more reasonnable buff ;)

Anyway I added 10% CS from a ring and it is counted.
Modifying my max mana from 554 to 636 did nothing to my cast speed...

So yes I think Arcane Surge is no functionning at all.

But I'm still confused about Cast Speed calculation.
I think I made a mistake and maybe the caculation is you get 10% then you get 10% of your current Cast Speed so 11%.

Maybe I'm really dumb but with my CS buffs and this formula I calculate this Total: +24.05% and the game only grants me +16.80%...

Iem / Passive
Cast Speed 3%
Practice Signs 6%
Cast Speed w/cold 3%
Harsh Winter 8%
Arcane Surge 10%
Force of Will 0% (Bugged but should be 14,24% at 636 mana)
Pearl Ring 10%

TOTAL 124%
In Game 116,80%

Any in game hidden formula or wording that I did not see?

Thank you in advance for reading or explaining me! :)
And sorry if there is any typo or language mistakes Eng is not my native language.

UP

oh crap... i just found out this doesnt work after i made a build completely relying on this. Any updates so far? Mana regen is working BUT NOT cast speed.

So here's an update. I noticed that in the "Additional info" section it doesn't account for buffed casting speed. But when I bring up the menu (playing with controller) and hover over the actual skills themselves on my bar, they have the correct cast speed. I also noticed that you seem to have to leave the area/respawn if you want the buff to be properly applied when you change gear or passives in a way that affects the scaling of Arcane Surge.

tldr: It works

When I'm equipping a staff that gives +145 Maximum Mana it doesn't change Cast Time or Cast Per Second. Changing areas doesn't do anything.

Either I'm not understanding something, or Force of Will doesn't work with weapons. It does work when I'm equipping an amulet with +50 Maximum Mana.