This spell is inspired by Thunder Storm from Diablo 2.
It's kind of an aura, where you cast the spell and it lasts 60 seconds (by default).
Every 5 seconds (by default), it strikes a monster on-screen.
Starts off at 1 target, gaining an extra target every 20 magic levels.
spells.xml
[TFS 1.X] Thunder Storm
It's kind of an aura, where you cast the spell and it lasts 60 seconds (by default).
Every 5 seconds (by default), it strikes a monster on-screen.
Starts off at 1 target, gaining an extra target every 20 magic levels.

spells.xml
XML:
<instant group="support" name="Thunder Storm" words="thunder storm" lvl="30" mana="250"...