diff --git a/.maintain/prometheus.yml b/.maintain/prometheus.yml
index 5c72ca8e17..414c5e89ca 100644
--- a/.maintain/prometheus.yml
+++ b/.maintain/prometheus.yml
@@ -13,7 +13,7 @@ alerting:
 # Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
 rule_files:
   - "rule_node.yml"
-  - "rule_polka.yml"
+  - "rule_para.yml"
 
 # A scrape configuration containing exactly one endpoint to scrape:
 # Here it's Prometheus itself.
diff --git a/.maintain/rule_para.yaml b/.maintain/rule_para.yaml
new file mode 100644
index 0000000000..a4b773111b
--- /dev/null
+++ b/.maintain/rule_para.yaml
@@ -0,0 +1,162 @@
+groups:
+  - name: substrate.rules
+    rules:
+
+      ##############################################################################
+      # Block production
+      ##############################################################################
+
+      - alert: BlockProductionSlow
+        annotations:
+          message: 'Best block on instance {{ $labels.instance }} increases by
+      less than 1 per minute for more than 3 minutes.'
+        expr: increase(substrate_block_height{status="best"}[1m]) < 1
+        for: 3m
+        labels:
+          severity: warning
+      - alert: BlockProductionSlow
+        annotations:
+          message: 'Best block on instance {{ $labels.instance }} increases by
+      less than 1 per minute for more than 10 minutes.'
+        expr: increase(substrate_block_height{status="best"}[1m]) < 1
+        for: 10m
+        labels:
+          severity: critical
+
+      ##############################################################################
+      # Block finalization
+      ##############################################################################
+
+      - alert: BlockFinalizationSlow
+        expr: increase(substrate_block_height{status="finalized"}[1m]) < 1
+        for: 3m
+        labels:
+          severity: warning
+        annotations:
+          message: 'Finalized block on instance {{ $labels.instance }} increases by
+      less than 1 per minute for more than 3 minutes.'
+      - alert: BlockFinalizationSlow
+        expr: increase(substrate_block_height{status="finalized"}[1m]) < 1
+        for: 10m
+        labels:
+          severity: critical
+        annotations:
+          message: 'Finalized block on instance {{ $labels.instance }} increases by
+      less than 1 per minute for more than 10 minutes.'
+      - alert: BlockFinalizationLaggingBehind
+        # Under the assumption of an average block production of 6 seconds,
+        # "best" and "finalized" being more than 10 blocks apart would imply
+        # more than a 1 minute delay between block production and finalization.
+        expr: '(substrate_block_height{status="best"} - ignoring(status)
+    substrate_block_height{status="finalized"}) > 10'
+        for: 8m
+        labels:
+          severity: critical
+        annotations:
+          message: "Block finalization on instance {{ $labels.instance }} is behind
+      block production by {{ $value }} for more than 8 minutes."
+
+      ##############################################################################
+      # Transaction queue
+      ##############################################################################
+
+      - alert: TransactionQueueSizeIncreasing
+        expr: 'increase(substrate_sub_txpool_validations_scheduled[5m]) -
+    increase(substrate_sub_txpool_validations_finished[5m]) > 0'
+        for: 10m
+        labels:
+          severity: warning
+        annotations:
+          message: 'The transaction pool size on node {{ $labels.instance }} has
+      been monotonically increasing for more than 10 minutes.'
+      - alert: TransactionQueueSizeIncreasing
+        expr: 'increase(substrate_sub_txpool_validations_scheduled[5m]) -
+    increase(substrate_sub_txpool_validations_finished[5m]) > 0'
+        for: 30m
+        labels:
+          severity: warning
+        annotations:
+          message: 'The transaction pool size on node {{ $labels.instance }} has
+      been monotonically increasing for more than 30 minutes.'
+      - alert: TransactionQueueSizeHigh
+        expr: 'substrate_sub_txpool_validations_scheduled -
+    substrate_sub_txpool_validations_finished > 10000'
+        for: 5m
+        labels:
+          severity: warning
+        annotations:
+          message: 'The transaction pool size on node {{ $labels.instance }} has
+      been above 10_000 for more than 5 minutes.'
+
+      ##############################################################################
+      # Networking
+      ##############################################################################
+
+      - alert: NumberOfPeersLow
+        expr: substrate_sub_libp2p_peers_count < 3
+        for: 3m
+        labels:
+          severity: warning
+        annotations:
+          message: 'The node {{ $labels.instance }} has less than 3 peers for more
+      than 3 minutes'
+      - alert: NumberOfPeersLow
+        expr: substrate_sub_libp2p_peers_count < 3
+        for: 15m
+        labels:
+          severity: critical
+        annotations:
+          message: 'The node {{ $labels.instance }} has less than 3 peers for more
+      than 15 minutes'
+      - alert: NoIncomingConnection
+        expr: increase(substrate_sub_libp2p_incoming_connections_total[20m]) == 0
+        labels:
+          severity: warning
+        annotations:
+          message: 'The node {{ $labels.instance }} has not received any new incoming
+      TCP connection in the past 20 minutes. Is it connected to the Internet?'
+
+      ##############################################################################
+      # System
+      ##############################################################################
+
+
+      ##############################################################################
+      # Others
+      ##############################################################################
+
+      - alert: ContinuousTaskEnded
+        expr: '(substrate_tasks_spawned_total{task_name != "basic-authorship-proposer", task_name != "substrate-rpc-subscription"} == 1)
+        - on(instance, task_name) group_left() (substrate_tasks_ended_total == 1)'
+        for: 5m
+        labels:
+          severity: warning
+        annotations:
+          message: 'Continuous task {{ $labels.task_name }} on node
+      {{ $labels.instance }} ended unexpectedly.'
+
+
+      - alert: UnboundedChannelPersistentlyLarge
+        expr: '(
+        (substrate_unbounded_channel_len{action = "send"} -
+            ignoring(action) substrate_unbounded_channel_len{action = "received"})
+        or on(instance) substrate_unbounded_channel_len{action = "send"}
+    ) >= 200'
+        for: 5m
+        labels:
+          severity: warning
+        annotations:
+          message: 'Channel {{ $labels.entity }} on node {{ $labels.instance }} contains
+      more than 200 items for more than 5 minutes. Node might be frozen.'
+
+      - alert: UnboundedChannelVeryLarge
+        expr: '(
+        (substrate_unbounded_channel_len{action = "send"} -
+            ignoring(action) substrate_unbounded_channel_len{action = "received"})
+        or on(instance) substrate_unbounded_channel_len{action = "send"}
+    ) > 15000'
+        labels:
+          severity: warning
+        annotations:
+          message: 'Channel {{ $labels.entity }} on node {{ $labels.instance }} contains more than
+      15000 items.'