Tonks as a plot device

[tinglinger]

No: HPFGUIDX 131923

Does anyone here feel that Tonk's ability as a Metamorphmagus will be
used by JKR to suprise us at least once during HBP?
She would serve the interesting use of fooling us into thinking that a
 character performing an action in HBP really did so when in fact it
was Tonks all along?
In fact, an important character like Ginny or Hermione may appear to
have died when in fact it was really Tonks in her metamorphmagus form
imitating that character?

tinglinger
who has presented several neat theories in
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