Long videos with full control - Wan 2.2 I2V (SVI 2 Pro). Individual LoRa, multiple reference images and more — v3.0

This workflow is for creating segmented videos with Wan Video 2.2 I2V-A14B and SVI 2.0 Pro. It can extend a video with new sections and stitch them into a full video using prompts, segment lengths, seeds, base models, LoRa, and reference images; outputs can include saved video, a

You can save and load video data to continue from where you stopped, including after a ComfyUI restart.

You can add new sections in one continuous workflow and stitch a full video from saved data; upscaling and interpolation can be handled separately at the end.

Each video segment can use its own prompt, length, seed, and reference image.

Different reference images can introduce assets or characters not visible in the starting image, without a LoRa.

The workflow can produce saved video data, a stitched full video, an upscaled video, or an interpolated video.

Version 3.0 requires the custom node pack ComfyUI-HeresyNodes, and the Options subgraph is the starting point for the guide.

Listed model files include clip_l.safetensors; RealESRGAN_x2plus.pth; rife49.pth; umt5_xxl_fp8_e4m3fn_scaled.safetensors; wan_2.1_vae.safetensors; wan_latent.safetensors; and Wan2.1_14B_VACE-Q6_K.gguf.

Other listed model files include wan22_DasiwaI2V14BLightspeed_synthseduction_HIGH_v9.safetensors; wan22_DasiwaI2V14BLightspeed_synthseduction_LOW_v9.safetensors; wan22_smoothMix_V20_HIGH.safetensors; wan22_smoothMix_V20_LOW.safetensors; wan22_SVI_v2_PRO_Wan2.2-I2V-A14B_HIGH_lora

Listed node packs include basic_data_handling; comfy-mtb; ComfyUI_Comfyroll_CustomNodes; comfyui_layerstyle; comfyui_lora_tag_loader; ComfyUI-Crystools; comfyui-dream-project; comfyui-easy-use; comfyui-frame-interpolation; comfyui-gguf; comfyui-impact-pack; comfyui-kjnodes; comfy

Choose a different base model and LoRa for each video section.

The workflow supports GGUF clip and diffusion models for low-VRAM systems.

Before installing, verify the exact file and source for wan_2.1_vae.safetensors, RealESRGAN_x2plus.pth, and rife49.pth.

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Before installing, verify the exact pack and source for comfyui_lora_tag_loader and comfyui-gguf.

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