Thunder: Granted after completing Mission 36 in the Olympus Coliseum. Thundara: Granted after completing Mission 56 in Twilight Town. Thundaga: Obtainable after completing mission 69 in Wonderland.
Kingdom Hearts Birth by Sleep
Aqua can purchase the Energy Magnet from the Command Shop for 800 Munny once the command has already been obtained elsewhere.
Thunder is a black magic spell that Vivi can learn with 25 AP by equipping the Glass Buckle or the Silk Shirt.
The Grim Reaper is a minor villain in the video game Kingdom Hearts II. It is an Emblem Heartless that resides in Port Royal.
In KH2, Atlantica is fully skippable, as is Agrabah and Halloween Town (again, completing at least one of these is mandatory) and Pride Lands, as well as the final Hollow Bastion/Space Paranoids visit.
Capture the Cup of the Goddess of Destiny.
After beating the previous three cups and defeating Xemnas at Memory’s Contortion, there is a fourth cup in the Underworld tournament – the cup the Goddess of Destiny – becomes available. Complete the 10 round tournament and the last Orichalcum＋ is yours.