1. Play Drakania.
2. Obtain Dragon Scale Fossil (30).
3. Bring up Processing menu (L) and select Heating.
4. Heat Dragon Scale Fossil (30); this is two processes of Dragon Scale Fossil (15).
5. Receive Shattered Dragon's Malice (2).
6. Confirm Shattered Dragon's Malice item description listing Duration: 120 min by mouseover.
7. Use Shattered Dragon's Malice.
8. Confirm use Yes (ENTER).
9. Input quantity (2).
10. Receive buffs Bravery (120m), Blessing (120m) and Progression (120m).
11. Observe issue: 120 min buff reward while 2 items have been consumed.
This was previously reported months ago: Shattered Dragon's Malice
Ideally, limiting use to just 1 malice to avoid accidents, applying the appropriate duration or close to it would be fantastic. I accidentally consumed 200 malice; I don't expect 16 days worth of buff, but only getting 2 hours is frustrating.