From Final Fantasy Wiki

Final Fantasy Crystal Chronicles: Ring of Fates Enemy
Scorpion
Japanese	{{{japan}}}
Romaji	{{{romaji}}}
Location	Hill Caves (Story Mode) & Valley of Heroes (Multiplay)
Item Dropped	1st Playtrough Fledgling Weapon, Soft Cloth, Sturdy Leather, Dark Crystal, Silver, Oak Branch, Scorpion Shell, Scorpion Eye. 2nd Playtrough Strongman Weapon, Dark Kitty Hat, Dark Kitty Cloak, Dark Crystal, Mythril, Orichalcum, Meteorite, Garnet, Black Dust, White Dust, Scorpion Shell, Scorpion Eye, 50 gil(x2).
Lift	Only with Arm Boost 2 ability equipped
Sturdiness	Cannot be knocked over
Rage Time	8s
Element	None
Guard	None
Resistant to	Fire magic: 3 Ice magic: 3 Lightning magic: 3 Stun magic: 3 Warp magic: 3 Darkness magic: 3 Holy magic: 2
Story Mode Play First Second Third HP 810 2715 4215 ATK 37 224 438 DEF 30 162 308 MAG 32 122 222 LUCK 5 5 5 EXP 100 960 1920 Multiplay Mode Normal Hard Very Hard HP 1620 5430 8430 ATK 40 246 481 DEF 31 170 323 MAG 32 122 222 LUCK 5 5 5 EXP 100 960 1920

The Scorpion is a boss from Final Fantasy Crystal Chronicles: Ring of Fates.

Like several bosses, it has a red crystal embedded into it, which is its weak point. It has several attacks, involving simply scuttling around and knocking back the player, shooting beams from its eye, slashing with its claws, and, obviously, using its red crystal stinger. It reappears at the Crystal Temple as a normal enemy in one room. (by that time, it drops one of each of the first 4 magicites, fire, blizzard, thunder and cure)

Quick Strategy

A good strategy is to always run quickly behind and continue attacking it. Avoid its attacks at all cost. Try occasionally jumping on it to make it charge its stinger then move out of the way and attack the crystal when it is stuck on the ground. You also might hear a distinct blast noise. Run to it's rear, and let loose until the beam stops. It will also attack with claws. When it does, run.

Echoes of Time

The Scorpion also appears as a secret boss in the library in Final Fantasy Crystal Chronicles: Echoes of Time