As we become older, I truly believe we become stronger versions of ourselves from our younger years. (suzannecarillo.com)
If a player collects enough of the same type of spells, they can be «boosted» which combines them for stronger versions of that spell. (thehdroom.com)
These can then be combined to create stronger versions of them or can be used to create entirely new spells, provided you have the component spells. (glitchcat.com)