The problem is it seems inconvenient having to go to a new page to check those things while you are attacking.. still no health values there...and talking in chat in inconvient compared to how it was when I used to play.. again need to click on "chat
v -- firebolt action link is broken - allows 1st action but subsequent gives this message as it automatically takes you to the skills page .. attempted firebolt on various accounts but same failure occurred ..
As far as the wiki, the point with the wiki is that stuff in the game changes, balance gets modified, new stuff is added, so the wiki may become out of date. It's great to still use it (I'd rather update the wiki than the game faq, much easier).
Stalk is a skill that results in a status effect until you next die or lose the status. Currently STALKING status increases your strength at the expense of your speed, and a slight decrease in stamina/max health.
Ki is a special/weird energy resource that you get more of for attacking stronger characters, and less or none of for attacking lower level/weaker characters. You can currently use it to heal, but the intent is to make more skills require it.