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SetObjectVisualTransform Bug or Engine Limitation?
If you apply SetObjectVisualTransform to an object out of the PCs visual range(45m), the effect isn't applied unless the PC breaks sight and re-enters the drawing range of the object.
You can't for example spawn monsters off screen and scale them and then have PC round the corner and see them as scaled, no effect is applied, unless as noted above the player breaks sight and then runs back and the engine redraws them.