Hello there, Thank you for reaching out. We understand Combination Blow is inconsistent and you're experiencing a delayed hit with Weighted Throwing Knife in PVP. We're aware of what you describe experiencing with Combination Blow. As per our [url=https://help.bungie.net/hc/en-us/articles/39007140765204-Destiny-2-Year-8-Known-Issues-and-Vital-Information]Known Issues[/url] page: [quote]Combination Blow is not consistently granting class ability energy. [/quote] If what you describe experiencing with Weighted Throwing Knife only happens in PVP and not PVE, then the delay may be related to connectivity issues. If you haven't yet done so, you may wish to see if [url=https://help.bungie.net/hc/en-us/articles/360049024092-Optimizing-Connections-Improving-Latency-and-Packet-Loss]Optimizing Connections[/url] and [url=https://help.bungie.net/hc/en-us/articles/360049496531-Network-Troubleshooting-Guide]Network Troubleshooting[/url] alleviate this delayed hit you experience. If this issue with the Throwing Knife persists, however, then please consider recording a short video of what you're experiencing. If you record such a video, you can upload it to a site like Youtube and share a link here. We'll then investigate.