First, go to Mel Senshir and save your game. Then, kill the Dokkalfar merchant to the left of where you spawn. Pay the fine or go to jail, then go to one of your houses and sleep for 4 days. Now return to Mel Senshir and the Dokkalfar merchant you killed will have respawned with fresh inventory. Purchase a new backpack and repeat for an unlimited supply of backpacks.
When you get Pet Training, you normally can't train more than 3 pets. When asked to choose a pet to discard, select "Raise Pets" option [center option on left side]. After it you will be able to select option to train another pet. You can train all possible pets this way.
ACHIEVEMENT - HOW TO UNLOCK A Life of Crime - Got caught committing a crime 25 times. A Wink and a Smile - You have succeeded at 50 Persuasion attempts. And Then There Were None - Killed 500 enemies with abilities. Big Spender - Spent 200,000 gold. Blades of Glory - Acquired 10 Unique weapons (Special Delivery weapons excluded). Bookworm - Read 50 books. Breaking and Entering - Picked 50 locks. Bull in a China Shop - Smashed 1,000 objects. Cartographer - Discovered 100 locations. Cleaning Up the Streets - Killed 50 bandits. Crime Doesn't Pay - Spent over 10,000 gold in crime bribes. Destiny Defiant - You have defeated Tirnoch, and defied destiny. Destiny Dominated - You have won the game on Hard difficulty. Diamond in the Rough - Crafted a Pristine Shard. Elixir of Fate - Made a potion with the Essence of Fate. Exterminator - Killed 50 Scavs. Five Finger Discount - Stole and fenced an item. Foiled Again! - Parried 100 times. Give Her a Hand - Found Aubrey Gilcrest's severed hand. Good as New - Repaired a piece of equipment. Green Thumb - Harvested 10 of each type of reagent. Hero of Mel Senshir - You have defeated the great Balor. House of Ballads - Completed the House of Ballads storyline quests. House of Sorrows - Completed the House of Sorrows storyline quests. It Didn't Explode! - Made a stable potion by experimenting. It is Your Destiny - Unlocked a top tier destiny. Jack of All Trades - Unlocked a Jack of All Trades destiny. Jailbreak - You broke out of jail. Juggler - Landed 5 consecutive hits on a launched enemy. Keep on Rising - Gravehal Keep has been fully restored. Loremaster - Discovered all Lorestones. Manic Pixie Dream Elf - Wooed Rast Brattigan. Master of the Forge - Crafted an item that uses all 5 forge component slots. Message in a Bottle - Located all eight message bottles in Gallows End. Niskaru Slayer - Killed 25 Niskaru. No Destiny, All Determination - You have met High King Titarion, and have been confronted with the true scope of your powers. Open Sesame - Dispelled 50 wards. Out of Your League - Killed an enemy 4 levels higher than you. Reborn - You were reborn from the Well of Souls, and have escaped Allestar Tower. Reckoning Rampage - Killed 5 enemies with a single Fateshift. Riposte! - Landed 25 special attacks out of Parry. Romancing the Gem - Crafted an Epic Gem. Scholia Arcana - Completed the Scholia Arcana storyline quests. Shock and Awe - Killed 100 enemies with abilities. Shop Class - Crafted a piece of equipment with Blacksmithing. Some of This, Some of That - Unlocked a two-class hybrid destiny. Streaker - You spoke to someone while not wearing clothes. The Great Detective - Detected 25 hidden things. They Never Saw it Coming - Backstabbed 20 enemies. Trapper - Killed 25 enemies with traps. Travelers - Completed the Travelers storyline quests. Turning the Tide - A ruse has baited Octienne into betraying the necromantic nature of his experiments. Warsworn - Completed the Warsworn storyline quests. Where's My Wallet? - Pickpocketed 20 times. Would You Like Fries with that? - Landed 100 complete attack chains.