Eagleg fight by Dr-Drako on DeviantArt

Doctor Plague (Artfight) by BSW421 on DeviantArt

Sairus vs Drago by DarkRaider2012 on DeviantArt

Dragon Scale by jacobyel on DeviantArt

Flash (Barry) vs Sonic

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Super RWBY Sisters Book 2!! - Smithy!! - Wattpad

Penguin Teams up with Vulture by superherofan2003 on DeviantArt

Main Antagonist of Eagle Defenders by DragonStormKnight on DeviantArt

Dragons fight by NasaychArt on DeviantArt

Dragon Transformation part 1 (revised) by clashmecha on DeviantArt

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The Fooks Adventures: A New Friend (Part 1) - Ice and Fire (A fan series created by u/ofooks113, crossover between AOE3/SFH3) : r/aoe3