The Variable stage Boss Attack System (V.B.A.S. for short), also known as the Variable Boss Attack System is one of the main features of the Triggerheart Exelica games. The boss attack patterns change according to the player's performance, depending on how many Item Points the player achieved, increasing the difficulty, collects more Item Points, the bosses will be harder to defeat.
Curiosities[]
This feature is very similar to the boss attack pattern used in the NES game Zanac.