spells making plz help me!!!!

spells making plz help me!!!!

Hi all. I have some ???? well i am a noob in this map making . i am making a poison queen!!
- i have made a forked poison that targets a 7 units , but i dont know how to put a poison dmg over time becouse there is no option in object editor for that spell. how can i or cant i add it ??
- now second ????? i have made a poison arrows but i want it to shoot 5 arrows in 1 casting how can i add this . If i cant i am sorry for stupid ???


- THANKS in advance !!!!!



sry for my poor eng.

1) Create a dummy unit that has the Slow Poison ability. Order it to attack once the target.
2) Vexorian made a Multi-Arrow spell.

~The_Raven

You can also use Shadow Strike instead, with 0 initial damage. The first method would need the dummy to have no damage which is impossible.