diff --git a/ChangeLog b/ChangeLog
index d98cb3e94..07d0e962a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Add blue and green dragon caves, to generate electric and cold dragons.
+monster/dragon/dragoncave.arc
+monster/dragon/dragoncave_blue.base.111.png
+monster/dragon/dragoncave_green.base.111.png
+Nicolas Weeger 2021-01-28
+
 Adjust quarterstaff after realizing I made a 9 kg weapon keep up with 20 kg weapons.
 weapon/club/quarters.arc
 Daniel Hawkins 2021-01-26
diff --git a/monster/dragon/dragoncave.arc b/monster/dragon/dragoncave.arc
index 167bb9e4d..15c5e9b04 100644
--- a/monster/dragon/dragoncave.arc
+++ b/monster/dragon/dragoncave.arc
@@ -17,3 +17,41 @@ maxsp 1
 weight 1000000
 generator_limit 5
 end
+Object generate_cold_dragon
+race dragon
+other_arch cold_dragon
+name dragon cave
+generator 1
+face dragoncave_green.111
+speed 0.004000
+level 10
+hp 300
+maxhp 300
+ac 3
+exp 1000
+no_pick 1
+alive 1
+maxsp 1
+weight 1000000
+generator_limit 5
+resist_cold 100
+end
+Object generate_dragon_electric
+race dragon
+other_arch elec_dragon
+speed 0.004000
+resist_electricity 100
+name dragon cave
+generator 1
+face dragoncave_blue.111
+level 10
+hp 300
+maxhp 300
+ac 3
+exp 1000
+no_pick 1
+alive 1
+maxsp 1
+weight 1000000
+generator_limit 5
+end
diff --git a/monster/dragon/dragoncave_blue.base.111.png b/monster/dragon/dragoncave_blue.base.111.png
new file mode 100644
index 000000000..ed374915f
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diff --git a/monster/dragon/dragoncave_green.base.111.png b/monster/dragon/dragoncave_green.base.111.png
new file mode 100644
index 000000000..fbdfb965f
Binary files /dev/null and b/monster/dragon/dragoncave_green.base.111.png differ