Salvia is a powerful dissociative hallucinogen with some psychedelic hints. The trip lasts only few minutes, but is generally dysphoric.
A bowl of 80x? Either it was far from real 80x or you failed to smoke it eficiently. 5x bowl is enought to full-blown hallucinatory experience. 80x bowl properly smoked would be a hard overdose just resulting in amnesia.
The Salvia trip is very bizzaire, alienish, and "physical". Very dangerous efect imo is the "Salvia gravity" - it makes you feel real forces that can overpower you and make you move, in hallucinatory state - very dangerous without a sitter. It is very common if not guaranteed to feel gravity change its direction, its perceived so real that sometimes you have to catch something stationary to not fall upwards etc. Under influence its possible to wonder how the fuck these sober friends can stand on walls and ceilings and not fall like you. Because they're actually just standing on ground, just your sense of gravity and direction is fucked up.
Here is an example how it can go wrong when no sitter cares for the tripper, this is HOW NOT TO USE SALVIA:
I've never breakthrough on Salvia an I don't know if I want to. Salvia crushes every mental function before you start tripping, it kills ego quickly and forcefully. Even in sub-breakthroughs I was not able to comprehend anything at all. I couldn't think, i couldn't recall a single memory. Even didn't know I was smoking something, even visuals seemed normal to me as I couldn't think anything about them. Physical feeling of Salvia is compared to pins and needles (also I could feel my skin getting uncomfortably tighter and tighter on the body). Breakthroughing is usually felt as being torn apart into parallel reality. Generally not pleasant at all. It sure is very interesting plant to experiment, but imo its NOT THE ONE AND ONLY CHOICE when it comes to tripping quickly.
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I think only Salvia and DMT are capable of short "natural-feeling" full-blown trips. But in my eyes Salvia is the little evil dissociative sister of DMT. DMT is psychedelic with dynamics and intensity of Salvia (full-blown in less that minute, back in 5 minutes and few mins of afterglow). I think of DMT as the best choice for this kind of intense quick trips. Visuals are psychedelic instead of dissociative and I personally like that style better, it's way more "magical". Also DMT can be very euphoric if you know how and unlike Salvia there are no forces! It feels like you're peacefully entering trance, you need to lie down and it begins, it comes from everywhere, envelops you completely and you go into the most alien, non-euclidean, infinitely fractally detailed, huge spaces of impossible geometries inhabited with incredible and impossible objects and all-knowing entities. All of that shile being in totally peaceful calm trance lying in bed. Much more comfortable entry to another dimension, than being subjectively torn apart like with Salvia. Also DMT doesn't crush your mind like Salvia, you still can think like sober, you can comprehend what is happening there unlike salvia (you can even talk on lower doses, that's quite impossible with salvia). The ego death can come but only with the highest doses.
With enough DMT what eyes perceive doesn't matter, all the experience is perceiver through minds eye in our head. That means it doesn't have any limits for field of view (spherical 360° vision), space (non-euclidian, fractalish, variable dimensionality - anywhere from 0D to infinityD, just what is curently needed to interpret), resolution (everyone has different detail of eyesight, but on DMT the detail is infinite, much more HD than eyes can perceive). Visions can have many different forms, it can be indoor (incredible rooms of impossible geometry overlapping, morphing, splitting, fusing, kaleidoscoping, getting alive etc) or outdoor (huge space with impossible structures growing everywhere etc). I usually see entities there, usually repeated like the environment, mostly standing in circle around me in some rooms, but everytime they were like statues, just silently looking at me, no contact like others describe...
They seem to have interes in me, sometimes they actually move in my way, reaching me with their hands, but don't get any closer. And I know this is only the beginning, I've not yet been on the other side, where this wormhole ride leads.
I think I start derailing this thread, here is DMT thread:
http://fuckcombustion.com/threads/dmt-vaporization.387/
I just tried to compare them a bit, and point out salvia is not the only one substance that shoots one out completely out for few mins as OP seems to think. And IMO better, because its safer (less likely to cause badtrips, no movement while tripping hard, known simple non-toxic molecule which body knows to effectively metabolize into safe metabolites), and giving more (less brainfuck, more and better visuals, less likely physicaly unpleasant, usually the opposite), also non-addictive.
Treat both Salvia and DMT responsibly and with utmost respect, they both can cause bad-trips and both bad-trips are like hell. Eyeballing 80x extract without miligram scale is not responsible use, same goes with DMT (i estimate it's as potent per weight as 40x salvia). I think with real 80x Salvia a load as tiny as one rice corn could be overdose.