Charge generation via spell totems (as proclaimed by GGG in their endgame druid showcase video)

GGG proclaimed in their endgame druid showcase video and I quote that: "spell totems will have the ability to self-sustain their charge cost".
I have tried every single spell that is able to be cast by spell totems and the only spell that generates charges to the player is thrashing vines, unfortunately thrashing vines is the worst spell you could ever put on a spell totem because it has a limit of 1 and a growth duration, so spell totems would just overwrite one single instance of the spell every time any of them casted.
No other spells when casted by spell totem gives the player charges to "self-sustain" as proclaimed by GGG.
The funny this is that GGG in that video, self-casts entangle and thrashing, and has another entangle on spell totem, they are always generating charges through the entangle they self-casted themselves not from the spell totem as they proclaimed. They also showcased accelerated growth support in that same video, which is currently bugged and doesnt work when linked inside a spell totem.

GGG's video and timestamp for context: https://youtu.be/19C6hABzaDQ?t=186 3:06 timestamp. literal quote: "After we generate out initial charges, our totems will be able to self-sustain their cost." which is literally not true.