What Han Dong referred to as 'using' was actually sacrifice.
[Second Phase - Exploration of the mist].
The Yellow Temple has completely emerged from the underground area of the supermarket and exists in Han Dong's mind as a form of moving space.
The 'sacrifice' to the Yellow Temple will be realized by relying on the 'Tentacles'... It seems no different from the Tentacles absorbing.
Even Nicole couldn't distinguish any difference.
Sacrifice the 'Vine Spirit', and upgrade a basic card [Ally Card - Crowman].
Due to the special nature of the "Mist" event and Han Dong's desire to achieve a special ending.
Therefore, Han Dong no longer considered special training for Togu and Chen Li in Single-Player Mode and focused entirely on achieving a special ending.
Duo Zeya, who could make a pact with Han Dong, became the best auxiliary option after the Demon Eye.