v0.698 Hotfix!

One more patch for everyone before the weekend hits! Always, thanks for playing and for your amazing feedback! [list] [*] Fixed Synergy +1 feature being able to be selected repeatedly on reconnect. [*] Fixed Test of Faith artifact continuing to award skill points when the stage has been changed. [*] Fixed an issue where players who cleared Hell difficulty before it closed would have their maximum item [*] drop level carried over to lower difficulties. [*] Fixed some artifacts being bought and sold for less than their tier. [*] Fixed an issue where Baron Vandevius would not drop Legendary gear after the second kill. [*] Fixed Baron Vandevius to drop runes 10 and 21. [*] Players will now be invincible for 5 seconds after defeating Boss monsters. [*] Fixed a bug where the text on the "World Difficulty" button on the world map would disappear when using [*] the mouse. [*] Fixed the chance to find rare or legendary items in artifact chests correctly and increased in later stages. [*] Fixed a bug that prevented players from purchasing items from Bertio on Nightmare difficulty sometimes. [*] Fixed the chance of advanced artifact chests to drop correct tiers in Nightmare mode. [/list]