Hello, g2 fan here, over the course of the past few months, I've been digging up and restoring all my bionicle g2 2015 sets (masters, protectors, LoSS, and Skull villains). Unfortunately, I realized that were two sets that I was never able to aquire back when Bionicle G2 was available on store shelves:

Kopaka, Master of Ice

And

Mask Maker vs Skull Grinder.

Mainly due to these two sets being fairly expensive at the time of release, not to mention by the time I had enough money to get both, they had disappeared from store shelves, never to be seen again.

Now, as I constantly scour the internet, I am in shock of how much it costs for both of these sets combined, definitely doubling if not TRIPLING their orginal prices. (On both Ebay and Bricklink, and in Kopaka's case, ebay is full of bootlegs out the wazoo).

So any advice for a fellow bio fan who wants to complete his 2015 collection?