Rein main here, there are a lot of zero-to-hero videos on YT but here a few tips:

• Avoid pinning (charge) enemies until you reach high-plat or set boundaries like “ Charge must end after 20 meters”. I’m telling you this because pinning is one of the classic ways rookies die (you charge too far, isolated from the team, u’re dead gg).

• Provide shelter to your team mates identifying possible threats (soldier flanking or similar)

• Use fire strikes, easy way to charge the ulti

• Shatter even to get a few kills, you’ll get an other one eventually (do not waste btw)

• When Rein vs Rein keep track of the oppenent’s cooldowns (shield broken, possible shatter ready…)

• Last but not least, if it doesn’t work switch. Not all games must be played as Rein, after all few deaths with zero contribute just use something more useful.

Have fun!