Nodes/ComfyUI_LC_ModelBuilder_nodes/LC Krea2 LoRA Block Scan
ComfyUI Node

LC Krea2 LoRA Block Scan

Renders a fixed seed batch without the LoRA, with it, and with each block group turned off, then scores face lock (same-face score) and change against the base model and the full LoRA. Finds the blocks to turn down in LC Krea2 LoRA Editor.

By lonecatone23·Created 11 days ago·Updated 2 days ago· 1
LC Krea2 LoRA Block Scan
  • model
  • vae
  • positive
  • negative
  • grid
  • report
  • blocks
◄lora_name▾►
◄strength1.00►
◄groups0-3, 4-9, 10-15, 16-21, 22-27, fusion►
◄off_value0.00►
◄seed42►
◄images8►
◄width1024►
◄height1024►
◄steps8►
◄cfg1.0►
◄sampler_nameeuler►
◄schedulersimple►
CategoryLC ModelBuilder/Krea2

Inputs (16)

NameTypeDefaultDescription
modelMODELKrea 2 model, without the LoRA.
vaeVAE—
positiveCONDITIONINGA prompt that shows a face (for face lock) and a scene (for whole-image change).
lora_nameCOMBOLoRA to scan, from models/loras.
strengthFLOAT1.00-4–4—
groupsSTRING0-3, 4-9, 10-15, 16-21, 22-27, fusionBlock groups to turn off one at a time, comma separated. fusion = the text fusion layers outside the 28 blocks. Each group is one more row of renders.
off_valueFLOAT0.000–1What 'off' means for the group being tested. 0 = fully off.
seedINT420–18446744073709550000—
imagesINT82–16Seeds per row (one batch). 8 gives a steady same-face score; fewer is faster but noisier.
widthINT1024256–2048—
heightINT1024256–2048—
stepsINT81–100—
cfgFLOAT1.00–30—
sampler_nameCOMBOeuler44 options: euler, euler_cfg_pp, euler_ancestral, euler_ancestral_cfg_pp, heun, heunpp2, +38
schedulerCOMBOsimple9 options: simple, sgm_uniform, karras, exponential, ddim_uniform, beta, +3
negativeoptCONDITIONINGOptional. Unwired = an empty (zeroed) negative, right for cfg 1.

Outputs (3)

NameTypeDescription
gridIMAGEOne row per render set: no LoRA, full LoRA, then each group off.
reportSTRINGScores per row and what they suggest.
blocksSTRINGSuggested 28-block curve. Wire into LC Krea2 LoRA Editor's blocks (convert it to an input) or copy it.