If you had asked me a few months ago it would've been one of these:
[item=breed change: wildclaw] [item=infectionist's emblem] [item=vial of darkened sight]
But I don't really want to collect any new dragons now that I would need those items for, so I'd go with eliminates as I try to get all my permas leveled.
[item=eliminate]
If you had asked me a few months ago it would've been one of these:
Breed Change: Wildclaw
Specialty Items
Changes the breed of one dragon to Wildclaw. Wildclaw dragons are a rare breed with a 35-day breeding cooldown.
0
Infectionist's Emblem
Apparel
A glowing plague rune; the sign of a true magical adept. (Riot of Rot Holiday Item)
0
Vial of Darkened Sight
Specialty Items
A vial that will change the eye type of one dragon to Dark Sclera. This item can only be used once and will disappear after it has been applied.
500
But I don't really want to collect any new dragons now that I would need those items for, so I'd go with eliminates as I try to get all my permas leveled.
Eliminate
Ability Stone
A high damage deadly attack that attempts to finish the opponent off. Refunds breath if the enemy dies.