Updated Wan 2.2 I2V workflow chains 5-second blocks into roughly 45-second videos

embryo10 · reddit · 2026-07-21

A Reddit post shares an updated Endless Wan 2.2 I2V (SVI 2 Pro) workflow for generating long-form video with Wan 2.2.

• The workflow starts with a 5-second initial block and can chain up to 8 more 5-second extend blocks, reaching roughly 45 seconds before copying blocks to continue.
• Each block has its own prompt and duration controls, plus fixed seeds so users can iterate on later segments without regenerating the whole clip.
• It includes three LoRA sections, low-VRAM GGUF loaders or Safetensors loaders, and support for accelerated generation with distilled LoRAs such as Wan-Lightning / lightx2v 4-step LoRA.
• Version 2.1 adds another extra LoRA slot and tweaks the motion-speed setup by switching to a newer lightx2v LoRA and optionally using Wan2.1I2V14BFusionXLoRA to speed movement.

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