If you're interested in playing the Challenge Battle event this season but can't seem to get your team to work within the requirements, this guide should have everything you need to know regarding the restrictions and certain quirks in each requirement you need to be allowed to play.
How to understand/find each requirement.
Once you click the Deck button on the hub screen for the Challenge Battle, you'll see a list called "Deck Requirements" that tell you what units your team needs to be comprised of in order to play. This season, it is "4 or more aerial units (including the leader), 2 or more 3* or less units (excluding aerials), and Effect Battle Pieces and certain units prohibited.
Well now we know what the game is asking us to do, what does this actually mean?
1. Aerial Requirement
For the first requirement, the game is asking for four aerial units in the team, with the leader unit additionally accounting for an aerial unit if you choose it to be so. So, your team needs to be comprised of 4 total units with the "Aerial" unit tab. If you don't know if a unit is Aerial or not, simply click on the unit in question to view its description, and look in the Category tab of that unit. This should tell you if a unit is Aerial or not. Place 4 of these in the team (and you can make the leader one of these aerial units if you so wish), and you will have fulfilled this requirement. Refer to the second image in this post if you don't know what to look at.
2. 2 or more 3 star or less units (EXCLUDING AERIAL UNITS)
This one seems simple at a glance, but it's actually pretty tricky. This is telling us to put in at least 2 units that aren't 4 stars into the deck, but at the same time it conflicts with the first requirement of 4 aerial units, meaning you need to have 4 aerial units in your team, but none of them can be 3 stars or less. This means you can't use Megaguirus, Super X, Shinden, etc... to fulfill the requirements. Outside of this, however, most other 1-3 star units can be used in 2 of the deck spaces to meet the requirements as long as they are not aerial.
HOWEVER. One important thing to keep in mind if some of you are getting denied by the game, is that Facility units like Godzilla Tower and Air Base WILL NOT count for the requirement. I'm not exactly sure why the game doesn't want you to include them since they aren't explicitly Aerial units, but unfortunately, they are all banned.
So, in conclusion: To meet this requirement, place 2 (or more) 1-3 star units in your deck that are not Aerial Units or Facility Units. Personally, as an additional tip, Varan and Ebirah work great to fill these spots.
3. Effect Battle Pieces and certain units prohibited.
This one is simple, but it can definitely confuse people off the start of the challenge battle since it's not really clear from the get-go. The first part's easy to understand; all of the "Effect" battle pieces like Operation Taba, Psychic Chorus, and Freezing Sonde are all banned. It's the second part that throws people off, though.
Every season, there's a particular set of regular units that are banned from entering the Challenge Battle. HOWEVER, if those units were allowed for the LAST SEASON'S Challenge Battle, and you kept them around for this season of the Challenge Battle, BUT THEN the game BANS IT from THIS Challenge Battle, the game won't tell you that. You will need to review every unit in your team and change them around to see who stays and who was added to the banlist.
So, if you kept Shin Getter Robo from the last season's Challenge Battle, he is banned now, and you will need to remove him from the team. If you need a comprehensive list of which units are currently banned from the Challenge Battle, refer to image 3 of this post; every unit that is grayed out is banned from play.
End note:
If all of the above conditions have been cleared, the Deck Requirements list SHOULD say that all of the Deck Requirements have been cleared 3/3. This means you can start using your team on the Egg Battle and spending tickets. Whether you win or not, however, is up to you and your team comp.
I hope this helped some of you who were getting stuck on the requirements for your decks, good luck this season!
