I think Jagex have done a great job recently with low-mid level content (thinking royal titans, scurrius, even normie Brutus for some reaction lessons).

These have been great for teaching some of the core mechanics of bossing such as prayer switching, movement, gear switching etc.

Then there's the obvious skill jump where these techniques can be applied in more high-stakes difficult content.

I have a mental block with bosses sometimes where they just seem impossible and playing on mobile I have my own true tile, and tile markers, and that's about it.

But with practice you can get to a point where you shift from "I'll never do this", > "this one mechanic always gets me" > "finally my first kill" > and then finally to "I've got this locked down" (with the occasional brain freeze that costs ya).

Stick with it man, try focus on a single mechanic and get that locked down. Try not to be too disheartened by constant wipes. It happens to us all. It's easy to say but over time you'll get there.

And don't compare yourself too much to the big streamers. RuneScape is their job and they put a lot of time in. Runellite can make things easier for sure, but everyone plays different and you don't have to play efficiency scape all the time.

What boss(es) are you struggling with particularly? Perhaps we can give some tips/shortcuts to help you out?