Splinterlands 202002011610 Reward and grow the dwarf | 奖励和升级矮子😎 (by @ace108)

Got another dwarf as a reward card recently. I have a few of them. I heard can level it up by combining and I tried and figure out how.
最近又得了一个矮子为奖励卡。我有几张了。 听说可以通过合并将其升级就来试一下。成功。