The Battle of the Five Armies is a subtheme of The Hobbit introduced in 2014 and currently consists of 4 sets. All sets were released in 2014. As of today, the average annual growth of sets in The Hobbit The Battle of the Five Armies is approximately 13.0% per year.
Most valuable The Battle of the Five Armies set
79018 The Lonely Mountain $829.40
Highest growth The Battle of the Five Armies set
79015 Witch-King Battle +878.99%
LEGO's The Battle of the Five Armies subtheme was released in 2014 and based on the movie.
4 sets

79018 The Lonely Mountain

Theme / Subtheme The Hobbit / The Battle of the Five Armies
Year 2014
Pieces / Minifigs 866 / 5
Availability Retired
79018 LEGO The Hobbit The Battle of the Five Armies The Lonely Mountain
Retail $129.99
Value $829.40
Growth  +538.0%
Annual growth 16.8%

79017 The Battle of Five Armies

Theme / Subtheme The Hobbit / The Battle of the Five Armies
Year 2014
Pieces / Minifigs 472 / 7
Availability Retired
79017 LEGO The Hobbit The Battle of the Five Armies The Battle of Five Armies
Retail $59.99
Value $350.44
Growth  +484.2%
Annual growth 14.0%

79016 Attack on Lake-town

Theme / Subtheme The Hobbit / The Battle of the Five Armies
Year 2014
Pieces / Minifigs 313 / 5
Availability Retired
79016 LEGO The Hobbit The Battle of the Five Armies Attack on Lake-town
Retail $29.99
Value $132.80
Growth  +342.8%
Annual growth 7.3%

79015 Witch-King Battle

Theme / Subtheme The Hobbit / The Battle of the Five Armies
Year 2014
Pieces / Minifigs 101 / 3
Availability Retired
79015 LEGO The Hobbit The Battle of the Five Armies Witch-King Battle
Retail $14.99
Value $146.75
Growth  +879.0%
Annual growth 19.3%