Raids are the best way to farm XP, when you get first you'll get 50, 2nd 35, and 3rd 30, i don't know the stat for 4th bc i haven't been there lol, best weapons for this mode are melees with dash (Temple Claws, Thermal ultra scythe, Percival & Lamorak, etc) + Demon catcher for the hives, and maybe a lifesteal or healing weapon to keep you alive.

Minigames are fast paced gamemodes, you either win or lose in these ones.
Block Crash
Some good weapons for Block crash are: Destruction system, Gem power, Pixel cola refresher and the Firestarter.
Red light
This one averages 2 minutes if you do it right.
Parkour challenge
If you do this flawless, it takes roughly two minutes to beat the course.