• Unlike the description implies, it does not have a fixed duration. It does cost hitpoints each second to maintain, but it lasts until cancelled by using the corresponding skill again. The HP drain can kill you, and since it's not a cost of spellcasting, it is not prevented by Immortal Lament.
  
• Entering demon form has a channel time, but does not prevent movement, while dismissing it is nearly instant.
  
• The demon form melee attack was originally equivalent to a character's default wimpy punch attack, but the hotfix currently being applied is increasing its base damage by 5 and its impact power to 4 according to the patch notes - still a rather weak amount of damage.
  
• Contrary to the description of Blood Pact, the demon form shadow bolt attack does expend HP in order to cast.
  
• While in demon form, the character's other skill is changed into a demon-form-only skill. It has a duration of ~4-5 seconds with a ~30-second cooldown, and it causes hitting monsters to restore something like 5% health to a default kit warlock. This is triggered by both the demon form's melee attack and its shadow bolt attack, but not by damage-over-time from spells cast before activating demon form. A default kit warlock can't cast demon form shadow bolts fast enough for them to be a very significant source of health restore, and while the melee attack is faster, depending on the enemy, it may be difficult to get lots of hits in while also dodging attacks. The cooldown is tracked independently of whether the warlock is currently in demon form or not.

cranky corvid fucked around with this message at 23:04 on Feb 1, 2024