This is what I have gotten from Nechryaels so far...

1. Coal (common)

2. Bones (common)

3. 3rd Age Kiteshield (rare)

4. 3rd Age Full Helmet (rare)

5. Tan Cavalier (rare)

6. Rock-shell Plate (rare)

7. Zamorak Robe Legs (rare)

8. Coin

9. Rock-shell Helm (rare)

10. Zamorak Kiteshield

11. Green H'ween Mask (rare)

Feel free to add on if you get a different drop

3rd Age Platebody
Blue H'ween mask.

rockshell legs and helm
Red h'ween mask