Yes Jill is right.
Read my cheatsheet for details:
Ronga Cheatsheet - everything you want to know about attributes, weapons, specialities, pets, rankings, level, experience etc. in one page
Go to http://bestbrute.wikia.com/ . This is a MyBrute Informational site that everyone can edit. Here you may search for "Endurance" or any term you encounter to get quick answers.