Although potions can be dispelled, effects from flasks are immune. Flask effects will also persist through death.

Once you successfully create items with your blacksmithing trade skill, your blacksmithing may increase. The chance of your skill increasing is dependent on the color of the recipe. The color will denote the difficulty of the recipe in relation to your skill level.

No. Once the item is enchanted it can only be overwritten with another enchantment or an armor patch.

Please note that this is different from an imbued item. An item that is imbued receives a temporary bonus for the stated duration. After that duration has passed, the item will no longer be imbued.

There are a couple of Engineering recipes that will create unstable items which have a chance of exploding upon use. These items will have their instability noted in their text description upon mouse over. The chance that such a item will explode is random and players are cautioned to use such items sparingly and with care less they explode at a inopportune moment.

The Find Herbs ability, when used, will make it easier for your character to find Herbalism nodes scattered throughout the world. To use it, find the ‘Find Herbs’ ability and left click on the picture. The "Find Herbs" picture looks the same as the picture of a Peacebloom herb.

When you use this ability, the same picture will appear in a small circle on the upper left hand corner of your mini-map. This ability will last until another tracking skill is used. If there is an Herbalism node near by, a yellow dot will appear on your mini-map, indicating the location.