Well there are some spells in vanilla that give ranged attacks to your hero (Icefloe).
Furthermore, in The Protectors, there are also some items and skills that give ranged attacks to your hero. And in version 0.8.7 there will also be some perks that'll do just that.
WBC3 patched to unofficial version 1.03.23 also has the Fire Missile skill.
I think that's about it. You can mod your hero to either get that skill (using a hero editor) or that item or that spell.
Thanks for response . I know about Icefloe spell but I thought more about permanent ranged attack. But maybe is possible to extend duration time of Icefloe? 30 min for example.
IIRC, higher levels of mastery in Icefloe (Ice Magic) will increase its duration. The original values are hard-coded I'm afraid, so there's no way to mod in a new value without editing the source-code.
Subject: Archer - hero 
Sat Sep 17, 2016 4:18 am
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. I know about Icefloe spell but I thought more about permanent ranged attack. But maybe is possible to extend duration time of Icefloe? 30 min for example.
