In 2009, LEGO released 7 Castle sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Battle Pack and Fantasy Era. For that year, the total price of all retail sets cost $290, today those sets are valued around $1,797, a growth of 520%.
Most valuable 2009 LEGO Castle set
7079 Drawbridge Defense $448.66
Largest 2009 LEGO Castle set
10193 Medieval Market Village 1,601 pieces
7 sets

5372 Skeleton Chariot

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 19 / 1
Availability Retired
5372 LEGO Castle Skeleton Chariot
promotional
Value $85.98
Annual growth 37.4%

7078 King's Battle Chariot

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 103 / 4
Availability Retired
7078 LEGO Castle King's Battle Chariot
Retail $19.99
Value $164.28
Growth  +721.8%
Annual growth 8.9%

7079 Drawbridge Defense

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 335 / 7
Availability Retired
7079 LEGO Castle Drawbridge Defense
Retail $39.99
Value $448.66
Growth  +1021.9%
Annual growth 10.6%

7097 Trolls' Mountain Fortress

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 844 / 10
Availability Retired
7097 LEGO Castle Trolls' Mountain Fortress
Retail $99.99
Value $436.18
Growth  +336.2%
Annual growth 7.7%

10193 Medieval Market Village

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 1,601 / 8
Availability Retired
10193 LEGO Castle Medieval Market Village
Retail $99.99
Value $368.00
Growth  +268.0%
Annual growth 10.1%

852701 Troll Warrior Battle Pack

Theme / Subtheme Castle / Battle Pack
Year 2009
Pieces / Minifigs 36 / 5
Availability Retired
852701 LEGO Castle Troll Warrior Battle Pack
Retail $14.99
Value $149.99
Growth  +900.6%
Annual growth 10.1%

852702 Dwarf Warrior Battle Pack

Theme / Subtheme Castle / Battle Pack
Year 2009
Pieces / Minifigs 45 / 5
Availability Retired
852702 LEGO Castle Dwarf Warrior Battle Pack
Retail $14.99
Value $144.37
Growth  +863.1%
Annual growth 9.1%