第258章 通讯羽毛笔的初啼

  “太棒了！”韦斯利欢呼，“这比双面镜方便多了！写东西可比对著镜子说话自然！”

  “而且更隱蔽。”法比安指出关键的一点，“不需要出声，適合在课堂上或者图书馆传递信息。”

  卡伦连续测试了五六分钟，书写了各种內容。直到他停下笔，另一端的那根羽毛笔也仿佛失去了力量，轻轻躺回桌面，笔尖的魔力微光渐渐熄灭。

  “持续激活状態下，魔力消耗比预想的要稍大一些。”卡伦评估道，“以现在的羽毛笔里储存的魔力水平，长时间维持可能会有些吃力，当然如果是使用者自身再往里补充魔力的话就没什么问题了。”他拿起复写的那张纸，指著最后几个稍微有点淡的字跡，“不过在传输末尾，似乎有极其细微的能量衰减，导致墨跡显色度有轻微下降，虽然不影响阅读。”

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