[Arknights] Comprehensive Chen Analysis

Sorry for my bad English,CC(subtitles) are available and please turn it on.I did this without a script so there is alot of stutter and pause between explanations.

Credits to kcyf,Paragon,Esteesy,Toten and Dave for the subtitles.
Thumbnail Art Credits to :

Documents and Videos used
Document:

CE-5 Comparison:

Chen I-frame:

Analysis