Finally, I have access...
Haos Ancient Nemus (Guardian) (Lv 1) upgraded by 50 pts for 1,000 BP.
Haos Ancient Nemus (Guardian) (Lv 2) upgraded by 50 pts for 1,500 BP.
Haos Ancient Nemus (Guardian) (Lv 3) upgraded by 50 pts for 2,000 BP.
Haos Ancient Nemus (Guardian) (Lv 4) upgraded by 1 defense for 2,500 BP.
Haos Ancient Nemus (Guardian) (Lv 5) upgraded by 1 defense for 3,000 BP.
Haos Ancient Nemus (Guardian) (Lv 6) upgraded by 1 defense for 3,500 BP.
Haos Ancient Nemus (Guardian) (Lv 7) upgraded by 5 special shot pts for 4,000 BP.
Haos Ancient Nemus (Guardian) reaches Level 8.
Total cost is 17,500 BP.
Anything else?