Novice GMs are bad at improvisation and don’t know to prep effectively, hence the railroady nature of the games they run. If you have a GM like that, buy a copy of “The lazy DM” by Mike O’Shea for them.
Rolemaster was a bloated mess that could’ve only been made in the 80’s. Nobody with any amout of sense plays it nowadays.
Crit fails on skill checks have been houseruled into the game for ages, this is not something cooked up by Larian
That’s a weird way of spelling “I cast fireball”.