Blood Tendrils is the best melee combat skill to be found on RuneScape 3 and is not unlocked until a player is in the middle of the game RuneScape Gold. It is required to have 75 Attack to utilize it, and is one of only five bleed abilities available to melee. This makes for the best sword fights that are available in the battlefield.
These targets will suffer from anywhere between 36% to 180% ability damage, as well as an additional bleed effect. However, the player will also suffer damage from bleed. It is important that players do not utilize this option if their HP is too low since the ability could end their lives.
Runelite HD is a mod (made by a single player (117) that uses Old School RuneScape and gives it an HD makeover. As early as, Jagex were issuing legal threats to mods similar to this and claimed that they were copyright infringement. But, they appeared to be overblown as Jagex granted their approval to runelite's creator. Runelite.
But earlier in the week, just hours prior to when the upgraded Runelite HD was due for an official release 117 was approached by Jagex and demanded that work be stopped and that the release be canceled. This time, however, the issue isn't due to copyright claims buy runescape 2007 gold, but because Jagex states that they're working on the own HD upgrade.