The west has run out of all the usual stuff to send as well as money (just given the last $5 billion until January 2025 at the very earliest, but possibly no more ever). The only escalation possible is mass drone, missile strikes deep into Russia which is the reason for Putin's warning and lowering of the Russian nuclear threshold yesterday.
'4 UKRAINIAN F-16s DESTROYED! HUGE MIG-31 STRIKES'
Airfield With F-16 Destroyed By Kinzhals
Prof. John Mearsheimer: Putin's Elevated Nuke Threats to the West
Rapid Advancement, Many Areas Desperate - US 'Unimpressed' | Nuclear Warnings - Ukraine Map & News