The use of heroes during war must be allowed even if their upgrade is going on. This will boost the attack strategy. The level might be lower similar to the defence upgrade.
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The use of heroes during war must be allowed even if their upgrade is going on. This will boost the attack strategy. The level might be lower similar to the defence upgrade.
Please read the stickied threads before posting; there is already a thread regarding this feature:
https://forum.supercell.com/showthre...hile-Upgrading