All it takes is practice know your strengths and weaknesses and hAve a gem or something near you whenever you cast a spell the mores spells in an area or with a gem the more powerful it becomes don't start with hard stuff like weather and keep trying :)
YOU ARE READING
Book of spells (magic and witchcraft)
RandomI will try all beforehand and MOST will be without materials (1 like for 3 more spells)
