An alternative dead version of the castle archer upgrade
Tier I
Gold:300
Crystal:100
+1 toxic dead
Damage:8(+8H/15%splash)(+2 poison)
Upgrade time:30sec
Tier II
Gold:400
Crystal:200
+2 toxic dead
Damage:8(+8H/20%splash)(+2 poison)
Upgrade time:60sec
Tier III
Gold:500
Crystal:300
+3 toxic dead
Damage:8(+8H/25%splash)(+2 poison)
Upgrade time:90sec