Charlie was well aware that this time, he wasn't searching for Fleur herself, but rather for the place she intended to go. When he released the portrait of Marcius, Fleur immediately silenced the Qing Eliminating Society, proving her intense fear.
However, the more fearful she was, the more she stealthily came to Oskia alone and went to Mount Tason. This indicated her urgency.
Charlie speculated that she was probably searching for the secrets left behind by Marcius and perhaps the ‘secret to