Different types of catalysts

Imgonnagetcha

I'm relatively new and wondered where the different types of catalysts could be earned to level up your heros? I'm speaking specifically about the mystic, skill, etc....

Einsammler

The Event Quests button contains a quest rotating daily for the themed catalysts.

Piviot

Go into fight swipe to the right all the way

You'll see two set of quests top one ignore
Bottom one click, you'll see a symbol of the daily catalyst(science is a green beaker)
Click on the symbol quest swipe left till you see the catalysts there ya go