今こそマルフォイを一対一でやっつけるまたとないチャンスだ。逃してなるものか。
This was a unique chance to beat Malfoy one-on-one. How could he miss it.
I don't understand the purpose of なる in 逃してなるものか. How is it different from 逃すものか? I haven't seen なる preceded by a て-form before.
今こそマルフォイを一対一でやっつけるまたとないチャンスだ。逃してなるものか。
This was a unique chance to beat Malfoy one-on-one. How could he miss it.
I don't understand the purpose of なる in 逃してなるものか. How is it different from 逃すものか? I haven't seen なる preceded by a て-form before.