Here is the full list of all 15 MY HERO ULTRA RUMBLE achievements.
Become Champion 100 times in total in Ranked Matches.
Unlock 10 Illustrations in the Gallery.
Send 10,000 Likes in total.
Purchase an item at the Shop 100 times in total. (Purchasing multiple items at once only counts for 1 time.)
Obtain 1,000 ★ in Missions in total.
K.O. 300 opponents in total in Ranked Matches.
Reach Player Level 50.
Obtain 50 Emblems.
Reach Pro rank.
Reach Amateur rank.
Create a "My Banner"
Complete the Tutorial. (Can be achieved even if Tutorial is skipped.)
Obtain 1,000,000 Gold in total.
Obtain 1,000,000 Agency Points in total.
Get the highest rating 200 times in total in Ranked Match results.