In 2013, LEGO released 5 Castle sets, all of these sets have been retired. For that year, the total price of all retail sets cost $212, today those sets are valued around $993, a growth of 369%.
Most valuable 2013 LEGO Castle set
70404 King's Castle $458.36
Highest growth 2013 Castle set
70402 The Gatehouse Raid +433.38%
5 sets

70400 Forest Ambush

Theme Castle
Year 2013
Pieces / Minifigs 90 / 4
Availability Retired
70400 LEGO Castle Forest Ambush
Retail $11.99
Value $49.97
Growth  +316.8%
Annual growth 7.8%

70401 Gold Getaway

Theme Castle
Year 2013
Pieces / Minifigs 199 / 3
Availability Retired
70401 LEGO Castle Gold Getaway
Retail $19.99
Value $85.26
Growth  +326.5%
Annual growth 8.5%

70402 The Gatehouse Raid

Theme Castle
Year 2013
Pieces / Minifigs 248 / 4
Availability Retired
70402 LEGO Castle The Gatehouse Raid
Retail $29.99
Value $159.96
Growth  +433.4%
Annual growth 8.1%

70403 Dragon Mountain

Theme Castle
Year 2013
Pieces / Minifigs 376 / 5
Availability Retired
70403 LEGO Castle Dragon Mountain
Retail $49.99
Value $239.72
Growth  +379.5%
Annual growth 7.4%

70404 King's Castle

Theme Castle
Year 2013
Pieces / Minifigs 996 / 7
Availability Retired
70404 LEGO King's Castle
Retail $99.99
Value $458.36
Growth  +358.4%
Annual growth 14.0%