When you Get enraged or chooses to give the beast control,  

Have him roll a d10 on this table twice. The first affects him, the second affects his echo. The effect lasts for 1hr, but every turn, you can make a DC 18 CON save to end it early 

Wings: Your arms grow feathers and you gain a flight speed of 50ft 

Beast Takes Control: monsters gains ADV when attacking 

Talons: Unarmed strike gains –2 to hit, +3 damage. Can't hold weapons 

Raven Tongue: You can speak in any voice you hear and can also speak to animals. You grow a beak 

Beast Control: You and the beast work in perfect harmony, giving you ADV on talon/beak attacks and gain +3 to INT and WIS. 

WereRaven Form: Use WereRaven statblock 

Raven Form: Take the form of a normal raven

Shape Change: You can change between human, WereRaven, and Raven form at will as a BA or reaction. 

Beast Master: You master the beast inside of you. You can take any attribute listed above as an action, reaction, or bonus action 

1. Body remains the same, Mind becomes that of a raven. Raven Tongue 
2. Body becomes that of a raven. Raven tongue  
3. Become were raven form, beast takes control. Raven Tongue 
4. Wings 
5. Talons. Beast Takes control 
6. Talons, wings 
7. The only attack you can make is with the primal savagery cantrip.  
8. Wings, Talons, Raven Tongue, Beast Control 
9. Shape Change 
10. Beast master