Tutorial in french presented in 5 parts :

I) How to duplicate the sword and get it at lv.9 just before going to the Empire territory II) The Phantom cast III) The Punch Skip (ver. 1.0 only) IV) Defeating the Mana beast in 1 cycle (English tuto of Crow!) V) Nine other important tips

The complete article can be found in the link below :

https://www.squarepalace.com/secret-of-mana-speedrun-tutoriel/secret-of-mana-remake-tutoriel-pour-le-speedrun-du-jeu-en-2018