Here is the full list of all 90 Wings Of Bluestar achievements.
Kill the 1st boss at normal difficulty
Kill the first boss at hard difficulty
Kill the first boss at very hard difficulty
Kill the 2nd boss at normal difficulty
Kill the 2nd boss at hard difficulty
Kill the 2nd boss at very hard difficulty
Kill the 3rd boss at normal difficulty
Kill the 3rd boss at hard difficulty
Kill the 3rd boss at very hard difficulty
Kill the 4th boss at normal difficulty
Kill the 4th boss at hard difficulty
Kill the 4th boss at very hard difficulty
Kill the 5th boss at normal difficulty
Kill the 5th boss at hard difficulty
Kill the 5th boss at very hard difficulty
Kill the 6th boss at normal difficulty
Kill the 6th boss at hard difficulty
Kill the 6th boss at very hard difficulty
Kill the 7th boss at normal difficulty
Kill the 7th boss at hard difficulty
Kill the 7th boss at very hard difficulty
Kill the 8th boss at normal difficulty
Kill the 8th boss at hard difficulty
Kill the 8th boss at very hard difficulty
Kill the first enemy of stage 1
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Everyone dies...Once
Everyone dies...a lot
Collect your first risk star
Collect 5000 Risk Stars
Collect 10000 Risk Stars
Perform your first combo
Collect your first hidden Risk Star
Destroy your first boss part
Destroy 40 boss parts
Spend your first risk point
Spend 100000 Risk Points
Spend 500000 Risk Points
Unlock your first gallery item
Unlock 50% art in the gallery
Unlock 100% art in the gallery
Finish the first stage without using a credit, on normal
Finish the first stage without using a credit, on hard
Finish the first stage without without using a credit, on very hard
Finish the 2nd stage without using a credit, on normal
Finish the 2nd stage without using a credit, on hard
Finish the 2nd stage without using a credit, on very hard
Finish the 3rd stage without using a credit, on normal
Finish the 3rd stage without using a credit, on hard
Finish the 3rd stage without using a credit, on very hard
Finish the 4th stage without using a credit, on normal
Finish the 4th stage without using a credit, on hard
Finish the 4th stage without using a credit, on very hard
Finish the 5th stage without using a credit, on normal
Finish the 5th stage without using a credit, on hard
Finish the 5th stage without using a credit, on very hard
Finish the 6th stage without using a credit, on normal
Finish the 6th stage without using a credit, on hard
Finish the 6th stage without using a credit, on very hard
without using a credit, on normal
without using a credit, on hard
without using a credit, on very hard
on normal
on hard
on very hard
This won't work here
first time losing to the boss timer
taking your time
too fast for you
Use your first credit
Collect your first Patema item