re-edited---
Stone Spears:
Lvl 2 - 2*, Lvl 4 - 1*, Lvl 5 - 1*
Defend the Castle Game:
Lvl 2 - 3*, Lvl 3 - 2*, Lvl 6 - 1*, Lvl 7 - 1*, Lvl 10 - 2*, Lvl 11 - 3*, Lvl 14 - 2*
Goblin Zoink Plushie:
Lvl 4 - 2*, Lvl 8 - 1*
Castle Cupcake:
Lvl 3 - 3*, Lvl 9 - 1*
Goblin Lorius Plushie:
Lvl 5 - 2*, Lvl 10 - 1*, Lvl 11 - 1*
Premium Shield:
Lvl 4 - 3*, Lvl 6 - 2*, Lvl 12 - 1*, Lvl 13 - 1*
Goblin Club:
Lvl 7 - 2*, Lvl 14 - 1*
Gold Trim Shield:
Lvl 5 - 3*, Lvl 15 - 1*
Mace:
Lvl 8 - 2*, Lvl 16 - 1*, Lvl 17 - 1*
Empty Spell Book:
Lvl 6 - 3*, Lvl 9 - 2*, Lvl 18 - 1*
Defend the Castle Glowing Egg:
Lvl 10 - 2*
Defend the Castle Balloon:
Lvl 7 - 3*
Goblin Eyru Plushie:
Lvl 11 - 2*
Goblin Yuni Plushie:
Lvl 8 - 3*, Lvl 12 - 2*
Professional Shield:
Lvl 13 - 2*
Eleka Harp:
Lvl 9 - 3*
Defend the Castle Sugar Cube:
Lvl 14 - 2*
Goblin Huthiq Plushie:
Lvl 10 - 3*, Lvl 15 - 2*
Decay:
Lvl 16 - 2*
Defend the Castle Guide:
Lvl 11 - 3*
Goblin Rofling Plushie:
Lvl 17 - 2*
Goblin Ushunda Plushie:
Lvl 12 - 2*, Lvl 18 - 2*
Combat Shield:
Lvl 13 - 3*, Lvl 14 - 3*, Lvl 15 - 3*, Lvl 16 - 3*, Lvl 17 - 3*, Lvl 18 - 3*