Why so few spells

[Fantasia]

So spam, FIRE FIRE FIRE FIRE FIRE FIRE (oH OUt of mp) spam ice ice ice ice ice ice.

Seems very exciting.

If you're lazy, then yes, but you'll be a poor THM if you think this is the extent of it.

The Thunder spells have the most effective damage:MP ratio, so throwing them out when they're required is handy. They also have an addaitional effect at higher levels (Thunderstorm) where each time they tick over they have a chance of proccing the next Thunder spell's DoT to be as strong as its initial damage, making it very strong.

Then there's also knowing which mobs to sleep, and the situational usage of Fire II/Blizzard II, and when to throw out the free Fire III that is occasionally procced.

THM is one of the my favourites to play so far, and if you just say "Fire fire fire blizzard blizzard blizzard" then you are not a good player, since you clearly have no idea on how to optimise your output/damage potential.