In 2015, LEGO released 6 Bionicle Companions sets, all of these sets have been retired. For that year, the total price of all retail sets cost $60, today those sets are valued around $360, a growth of 501%.
Most valuable 2015 LEGO Bionicle Companions set
70781 Protector of Earth $80.00
Largest 2015 LEGO Bionicle Companions set
70779 Protector of Stone 73 pieces
Most owned 2015 Bionicle Companions set
70782 Protector of Ice
6 sets

70778 Protector of Jungle

Theme / Subtheme Bionicle / Companions
Year 2015
Pieces 64
Availability Retired
70778 LEGO Bionicle Protector of Jungle
Retail $9.99
Value $55.51
Growth  +455.7%
Annual growth 13.0%

70779 Protector of Stone

Theme / Subtheme Bionicle / Companions
Year 2015
Pieces 73
Availability Retired
70779 LEGO Bionicle Protector of Stone
Retail $9.99
Value $51.66
Growth  +417.1%
Annual growth 12.0%

70780 Protector of Water

Theme / Subtheme Bionicle / Companions
Year 2015
Pieces 71
Availability Retired
70780 LEGO Bionicle Protector of Water
Retail $9.99
Value $68.93
Growth  +590.0%
Annual growth 13.8%

70781 Protector of Earth

Theme / Subtheme Bionicle / Companions
Year 2015
Pieces 66
Availability Retired
70781 LEGO Bionicle Protector of Earth
Retail $9.99
Value $80.00
Growth  +700.8%
Annual growth 14.3%

70782 Protector of Ice

Theme / Subtheme Bionicle / Companions
Year 2015
Pieces 68
Availability Retired
70782 LEGO Bionicle Protector of Ice
Retail $9.99
Value $63.26
Growth  +533.2%
Annual growth 12.7%

70783 Protector of Fire

Theme / Subtheme Bionicle / Companions
Year 2015
Pieces 69
Availability Retired
70783 LEGO Bionicle Protector of Fire
Retail $9.99
Value $40.99
Growth  +310.3%
Annual growth 12.8%