云宝黛茜不喜欢有小马或是谁冒充她，因为她觉得自己已经酷到任何小马都没法冒充，所以当她被安排去照看监管那个之前冒充她的那只幻形灵，现在又变成她的幻形灵后，她总是一有机会就去和它比赛，为了证明她自己是有多棒，并且正品比冒牌货可是强多了。
幻形灵云宝努力追赶着这位运动健将，但即便它看起来和云宝黛茜比较像，但它并不拥有她的运动体能，所以总是会被黛茜甩在后面。
有一天，云宝黛茜的注意力几乎都集中在比赛上，她加快了自己的飞行速度，让幻形灵远远跟不上她，从她视野中消失了。当她到达终点等待时，她足足等了半个小时，这只幻形灵才终于出现在她的视线中，慢慢飞到了终点。
云宝黛茜本想嘲笑一下它的缓慢速度，但后来她意识到她已经忘记了她的监督任务，这只幻形灵其实已经脱离了她的视线好几次了，它本可以利用这些机会逃跑，但却从来没有那么做过，它总是尽全力去跟上她的速度。不知怎的，这让她也开始意识到即便是幻形灵也能很忠诚的...
她的想法逐渐改变了，现在她希望这只幻形灵能更像她，她要训练它飞得更快，即便飞不到像她那样的速度，但至少她可以尝试让它成为飞得最快的幻形灵。
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Changeling Rainbow Dash tried hard to keep up with the athletic mare. But even if it shared the same appearance as Rainbow Dash, it didn't share her athletic skill and was always left behind.
One day Rainbow Dash's mind was too far focused on her race. She increased the speed of her flying until the Changeling couldn’t follow her fast enough, where it disappeared from her vision. When she reached the goal and waited for it, she had to wait half an hour before this Changeling finally came back into her vision and reached the goal itself.
Rainbow Dash thought about mocking for its slowness, but then she realized that she had forgotten her supervising task and this changeling had actually left her custody several times. This Changeling could have used this opportunity to escape from her. But it never did; it always came back to her. Somehow, that made her realize that even a Changeling can be loyal too...
Her mind had now changed. Now, she wanted this Changeling to be more like her. She was going to train this Changeling to fly faster, even if it couldn't fly as fast as her, she was going to make it become the fastest flying Changeling at the least."