Dragon Hearts can be traded at the Church of Dragon Communion or Cathedral of Dragon Communion for dragon-based incantations.
Dragon Hearts
Locations on Realm of Shadow
1
Dragon Heart
Dropped by the Ghostflame Dragon.
2Dragon Heart
Dropped by the Ghostflame Dragon.
3Dragon Heart
Dropped by the Magma Wyrm (DP).
4Dragon Heart
Dropped by the Jagged Peak Drake.
5Dragon Heart
Dropped by the Jagged Peak Drake x 2.
6Dragon Heart
Dropped by the Ghostflame Dragon.
Locations on The Lands Between
7Dragon Heart
Drops from Borealis the Freezing Fog.
8Dragon Heart
Drops from Magma Wyrm.
9Dragon Heart
Drops form the Magma Wyrm you can encounter here (at the level of the lava lake).
10Dragon Heart
Drops from Magma Wyrm Makar.
11Dragon Heart
Drops from Glintstone Dragon Smarag.
12Dragon Heart
Drops from Flying Dragon Greyll.
13Dragon Heart
Drops from Magma Wyrm.
14Dragon Heart
Drops from Decaying Ekzykes.
15Dragon Heart
Drops from Flying Dragon Agheel.
16Dragon Heart x 3
Drops from Great Wyrm Theodorix.
17Dragon Heart x 3
Drops from Glintstone Dragon Adula.
18Dragon Heart x 3
There are three dragons here, each one drops one heart.
19Dragon Heart x 5
Drops from Elder Dragon Greyoll.