Raji: Kaliyuga Darsh: Golu, Siddhis and Story Switching

Darsh and Golu refer to the same brother

Darsh is also known by the nickname Golu. The sequel presents Darsh as a playable dreamwalker with visions, not just someone named in Raji's backstory.

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What makes his playstyle distinct?

His Siddhis are designed around gravity, time and energy, including combinations used to shape combat style. The complete spell list remains unknown.

When reading future guides, look for the exact build and a demonstrated interaction. Those details remain unknown.

Control changes are described as story-based. That is different from a universal hot-swap shortcut or a second human player; the co-op answer covers that distinction. For the broader cast and unnamed roles use characters.