Here are some updates. 

For Y/N;

Dreadnaught Knight Trigger: 

Overdrive: 

Demon King Trigger: 

Demon King Overdrive: 

Blade: Pyra, Mythra, and Pneuma 

For B/N; 

Blade: Malos 

That's all for the updates. If you have any ideas when the Blades will appear, let me know at the comments below, peace out and enjoy!