A Masked Carnivale Goldor Guide I guess
Spells needed/used for the Go For Gold Achievement:
1 - Water Cannon (for Water aspected damage)
2- Flamethrower (for Fire aspected damage)
7 - Loom (To dodge after Gravity)
24 - Flying Sardine (to interrupt Blizzard)
29 - Diamondback (for a single mechanic in Act 2)
30 - Mighty Guard (To bump up the damage of Goblin Punch in Act 2)
33 - Ram's Voice (for ice aspected damage and Vibe Check combo)
44 - Feather Rain (for wind aspected damage)
47 - Shock Strike (for lightning aspected damage)
63 - Sonic Boom (for wind aspected damage)
73 - Exuviation (for healing and cleansing debuff)
77 - Aetheric Mimicry (as a healer to aid survivability)
78 - Supernahka (for earth aspected damage)
92 - Ultravibration (to kill the slime add with the Vibe Check)
105 - Goblin Punch (to deal boss damage once the crystal spawns in Act 2)
Alternate Physical Spell: 26 - 4 Tonze Weight.
Follow this guide of sorts, kill the dude and enjoy your new umbrella!