Siege Weapons

What Asset(s) would you like to see included within TaleSpire?
Large scale battle of the party of hero’s defending the last remaining castle against the BBEG and his army of evil kingdoms, undead soldiers and monstrous creature

What situations would the Asset(s) be useful in?
One of the party members must make over to the boiling oil pot in time to stop the trolls from ramming the gate so all the woman and children to have to to run to the keep. Or launching a huge chunk of stone into the enemy siege tower

Additional Thoughts/Details

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