I managed to reproduce the Lavos shell skip. However, I didn't know which setup I need for the elixir glitch, which is faster to do before the skip :( So now, I need to determine everything for the elixir glitch and probably do the shell skip again. It's really not hexedit frendly because it's based on making the game lag to make the other characters behind.

The hypno strat is in fact slower than the normal strat, by about 20 seconds.

For the fight against Tyranno, I can either kill Azala or make him sleep. I tried here to optimise the second choice, and I will do the same with the first one. I hex-edited half of the run to grab a SpeedTab before Masamune, and spent hours to sync everything again, which has the consequence of saving and loosing random frames here and there (this game : ).