Beta Ray Battle Side Quest

We have 4 Beta Ray 1-ups per week so do we have to explore different threat levels or we just do threat level 5 four times?
a little confused.

Comments

Explore threat 5 4 times

Explore threat 5 4 times

Exactly. Get 24k more Mysterium, 3k shard and 2k 7* shard. Repearted still rewards like first time

Right away? As the paths and rewards are not refreshed, as I can see it.

You need to join the quest to see the rewards on the map