-----
The black scales, flesh, claws, fangs, eyes, wings, and some of Darkus internal organs all merged into Ruby's body, as it started glowing brightly, with Eleanora and Hendrick's support as they used Synthesis, Ruby absorbed all the materials and swiftly triggered his evolution by my command.
FLAAASH!
A powerful shockwave of Blood Ki, Demonic Energy, and Draconic Energy surged from within his body, which now grew from the two meters big body it had to five meters, becoming a huge beast.
Ding!
[Tamed Monster: Ruby] has evolved to a [Demonic Blood Dragon: ★★★]!]
[All Stats have increased! He has gained new Skills and Titles!]
"ROOAARRR!"
Ruby had become a true young adult dragon now, his red scales gained a few black scales as well, his appearance became much more mature and less "baby-like", his eyes became ferocious, and he even gained an extra pair of them.