I've been playing since S4 but I found these out in the past 1-2 years
Maybe some people would find it fun to know as well, correct me if im wrong and feel free to add your own!
1. The person tanking Baron deals half the damage to it
2. After taking out an inhib, theres a glowing circle around it which is its timer
3. Gromp deals lots of damage in the first few hits, then it gets weaker
4. Muting angry people is the best defense!
5. If you type "tons of damage" in the shop, you get trinity force
6. A cross-dressing Zilean is called a Brazilian
The last one was a joke I'm sorry