If you get a 2nd Goodie box FULL game try to get a +150 Physical defense armor for Claude on Earth mode he will pretty much takes 0 damage FROM physical hits for a LONG time with the 150 defense boost even AT lv 100.
However the Goodie box needs lv 10 Artwork or steal it From Mars 1 of the towns NE of Cross cave but you can't go their OR learn the Stealing skill IN the Demo. So the ONLY way to get the Goodie box in the Demo is VIA the own 10% of ALL items for the item collection book as a achievement but still SAVE the game before trying to the the Marvel Sword out of it. In the full game its FASTER to STEAL the Treasure chest item then to own 10% of all items in game for it. Fountain cards give out the SAME items as the Treasure chests BUT ONLY 1 RANDOM item not 3. Emerald ring is NOT needed to EVER craft if you go to the Mt Palace in the full game to get Ashton/Opera in the party theirs FREE one IN a chest their and Bowman can equip those SAME glove weapon on this video as Rena and since Rena in the full game SUCKS after Opera joins have Bowman join and give the Sorcerer's Knuckles to Bowman. Meteor Ring is good and all too bad in the FULL game it still SUCKS in fact when Kurik IS accessible in the FULL game STEAL the Berserk ring from a NPC their then the Marvel Sword on earth mode will easily hit for 3000 damage IN 1 hit. The 500,000 damage one can wait until the games END nearly ALL of the CAVE of Trials bosses floor 7 to 13 on EARTH mode actually have between that and 1 MILLION HP to begin with. Btw the items that are NOT goodie boxes in the FULL game you can Reproduce 20 copies and get 20+ RANDOM items in the process. The FILL up cards SAVE first since it uses the same IC and the DECREASE Fol PER SECOND Bounced checks are made via Reverse side and NOT only are the FILL up cards Reproduceable you GET between 2 and 3 RANDOM items for every Fill up Card being used.