Since you already max you Mortar, even if you upgrade one Wiz Tower, your splash damage is still good enough.
I would upgrade all Wiz Tower to level 7 one by one.
If you care very much on temporarily losing one of the strong defense, you need to change layout depending on what you choose to upgrade.
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The price being 5.3 million I can not up them in the same time as my storage is 6 million.
It will take probably 2 days to get the gold. So I may up them every 2 days so I will stay without wizard only 6 days in the worse case. I may up only 2 and up cannons because their look change and scares people.
The wizard 6 are already strong so the 7 must be impressive.
Wizard Tower 7 can one shot level 5 goblins, so clearly it is a gamechanger on any base.
Lightning my DE? I'll revenge, take all your resources and leave at 39%
Farming TH9 till I get both level 30 heroes and all lava core. TH10 SUCKS!!!
Do your part in improving the loot: Tell all new users and Android users to max collectors first so we can farm them.
Gamecenter: RegaliaRemix
That's mostly problematic if you position your xbows in wrong spots that constantly kill steals wiz towers/mortars.... Other than that, it's the best tower for protecting storages. In fact, I've seen so many farmer players disable their xbow because it's more of a liability than a benefit.
Lightning my DE? I'll revenge, take all your resources and leave at 39%
Farming TH9 till I get both level 30 heroes and all lava core. TH10 SUCKS!!!
Do your part in improving the loot: Tell all new users and Android users to max collectors first so we can farm them.
Gamecenter: RegaliaRemix
To maximize their effectiveness, yes. If a Wiz tower's range is like inside/overlapping an xbow's range, obviously it won't be as effective.
Lightning my DE? I'll revenge, take all your resources and leave at 39%
Farming TH9 till I get both level 30 heroes and all lava core. TH10 SUCKS!!!
Do your part in improving the loot: Tell all new users and Android users to max collectors first so we can farm them.
Gamecenter: RegaliaRemix
I was faced with this decision today and went xbow. Wiz towers are less important at 1800 trophies be ause all my mortars one shot kill lev six archers.
I have bombs set up by my wiz towers so they can one shot lev six archers if they get hit by it.